{"id":59394,"date":"2021-09-27T13:12:14","date_gmt":"2021-09-27T07:42:14","guid":{"rendered":"https:\/\/www.pranaair.com\/blog\/what-is-air-quality-index-aqi-and-its-calculation\/"},"modified":"2022-09-20T14:07:06","modified_gmt":"2022-09-20T08:37:06","slug":"what-is-air-quality-index-aqi-and-its-calculation","status":"publish","type":"post","link":"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/","title":{"rendered":"O que \u00e9 o \u00cdndice de Qualidade do Ar (AQI) e como \u00e9 calculado?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #161616;color:#161616\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #161616;color:#161616\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#O_que_e_o_Indice_de_Qualidade_do_Ar_AQI\" >O que \u00e9 o \u00cdndice de Qualidade do Ar (AQI)?<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Indian_CPCB_AQI\" >Indian (CPCB) AQI:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Indian_AQI_alcance_e_impactos_provaveis\" >Indian AQI alcance e impactos prov\u00e1veis:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#US-EPA_AQI\" >US-EPA AQI:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#US-EPA_AQI_alcance_e_impactos_provaveis\" >US-EPA AQI alcance e impactos prov\u00e1veis:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Air_Quality_Index_Parameters\" >Air Quality Index Parameters<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#1_Particulate_Matter_PM10_PM25\" >1. Particulate Matter (PM10 &amp; PM2.5)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Fontes\" >Fontes:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Efeitos_relacionados\" >Efeitos relacionados:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Limites_de_exposicao_segura\" >Limites de exposi\u00e7\u00e3o segura:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Como_medir_PM_25_e_10\" >Como medir PM (2.5 e 10)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#2_Carbon_Monoxide\" >2. Carbon Monoxide<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Fontes-2\" >Fontes:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Efeitos_relacionados-2\" >Efeitos relacionados:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Limites_de_exposicao_segura-2\" >Limites de exposi\u00e7\u00e3o segura:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Como_medir_o_monoxido_de_carbono_CO\" >Como medir o mon\u00f3xido de carbono (CO)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#3_Ozone_O3\" >3. Ozone (O3)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Fontes-3\" >Fontes:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Efeitos_relacionados-3\" >Efeitos relacionados:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Limites_de_exposicao_segura-3\" >Limites de exposi\u00e7\u00e3o segura:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Como_medir_o_ozonio_O3\" >Como medir o oz\u00f4nio (O3)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#4_Nitrogen_Dioxide_NO2\" >4. Nitrogen Dioxide (NO2)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Fontes-4\" >Fontes:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Efeitos_relacionados-4\" >Efeitos relacionados:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Nivel_de_exposicao_seguro\" >N\u00edvel de exposi\u00e7\u00e3o seguro:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Como_medir_o_dioxido_de_nitrogenio_NO2\" >Como medir o di\u00f3xido de nitrog\u00eanio (NO2)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#5_Sulfur_Dioxide_SO2\" >5. Sulfur Dioxide (SO2)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Fontes-5\" >Fontes:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Efeitos_relacionados-5\" >Efeitos relacionados:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Nivel_de_exposicao_seguro-2\" >N\u00edvel de exposi\u00e7\u00e3o seguro:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Como_medir_o_dioxido_de_enxofre_SO2\" >Como medir o di\u00f3xido de enxofre (SO2)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#6_Ammonia_NH3\" >6. Ammonia (NH3)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Fontes-6\" >Fontes:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Efeitos_relacionados-6\" >Efeitos relacionados:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Nivel_de_exposicao_seguro-3\" >N\u00edvel de exposi\u00e7\u00e3o seguro:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#7_Lead_Pb\" >7. Lead (Pb)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Fontes-7\" >Fontes:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Efeitos_relacionados-7\" >Efeitos relacionados:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Niveis_de_exposicao_seguros\" >N\u00edveis de exposi\u00e7\u00e3o seguros:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#Como_calcular_o_Indice_de_Qualidade_do_Ar\" >Como calcular o \u00cdndice de Qualidade do Ar?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#1_Indian_equation_for_AQI\" >1. Indian equation for AQI:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#2_US-EPA_equation_for_AQI\" >2. US-EPA equation for AQI:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/what-is-air-quality-index-aqi-and-its-calculation\/#10_dicas_de_como_voce_pode_reduzir_a_poluicao_do_ar\" >10 dicas de como voc\u00ea pode reduzir a polui\u00e7\u00e3o do ar:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>A polui\u00e7\u00e3o do ar \u00e9 uma grande preocupa\u00e7\u00e3o nos dias de hoje. A presen\u00e7a de uma coisa, contaminante ou agente indesejado no ar leva \u00e0 polui\u00e7\u00e3o do ar. AQI \u00e9 usado para representar a qualidade do ar presente ao nosso redor.<\/p>\n<h1><span class=\"ez-toc-section\" id=\"O_que_e_o_Indice_de_Qualidade_do_Ar_AQI\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>O que \u00e9 o \u00cdndice de Qualidade do Ar (AQI)? <\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>O \u00cdndice de Qualidade do Ar <a href=\"https:\/\/www.aqi.in\/\">(AQI)<\/a> \u00e9 um n\u00famero usado para transmitir a qualidade do ar pelo governo ao p\u00fablico em geral. A qualidade do ar se deteriora com o aumento da concentra\u00e7\u00e3o de poluentes. O \u00cdndice de Qualidade do Ar representa a gravidade da polui\u00e7\u00e3o para as pessoas comuns.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Indian_CPCB_AQI\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian (CPCB) AQI:<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>De acordo com o governo indiano (CPCB), o intervalo de <a href=\"https:\/\/www.aqi.in\/dashboard\/india\">AQI India<\/a> \u00e9 de 0 a 500, sendo 0 bom e 500 grave. Existem oito principais poluentes a serem considerados para o c\u00e1lculo do AQI, viz. material particulado (PM 10 e PM2.5), mon\u00f3xido de carbono (CO), oz\u00f4nio (O3), di\u00f3xido de nitrog\u00eanio (NO2), di\u00f3xido de enxofre (SO2), am\u00f4nia (NH3) e chumbo (Pb). Para calcular o AQI, os dados para um m\u00ednimo de tr\u00eas poluentes devem estar presentes, dos quais um deve ser PM10 ou PM2.5, o AQI variando de 0-500 tem concentra\u00e7\u00f5es diferentes para cada poluente e tem efeitos na sa\u00fade de acordo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Indian_AQI_alcance_e_impactos_provaveis\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian AQI alcance e impactos prov\u00e1veis:<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>0-50: <\/strong>Essa faixa define a qualidade do ar como boa, pois mostra um impacto m\u00ednimo ou nenhum na sa\u00fade.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>51-100:<\/strong> Esta \u00e9 uma faixa de qualidade do ar satisfat\u00f3ria e pode apresentar efeitos como dificuldade respirat\u00f3ria em grupos sens\u00edveis.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>101-200: <\/strong>A gama apresenta qualidade do ar moderada com impactos como desconforto respirat\u00f3rio para crian\u00e7as e idosos, e pessoas que j\u00e1 sofrem de doen\u00e7as pulmonares e card\u00edacas.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>201-300: <\/strong>AQI caindo nesta faixa comunica que a qualidade do ar \u00e9 ruim e mostra efeitos na sa\u00fade das pessoas quando expostas a longo prazo. Pessoas que j\u00e1 sofrem de doen\u00e7as card\u00edacas podem sentir desconforto com a exposi\u00e7\u00e3o curta.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>301-400: <\/strong>Esta faixa mostra uma qualidade do ar muito ruim e causa doen\u00e7as respirat\u00f3rias por uma maior dura\u00e7\u00e3o de exposi\u00e7\u00e3o.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>401-500: <\/strong>Esta \u00e9 a faixa severa de AQI causando impactos na sa\u00fade de pessoas normais e doentes. Tamb\u00e9m causa graves impactos na sa\u00fade de grupos sens\u00edveis.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"US-EPA_AQI\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US-EPA AQI:<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Os intervalos de <a href=\"https:\/\/www.aqi.in\/dashboard\/united-states\">US AQI<\/a> de 0-500 de acordo com a US-EPA, 0 significa bom e 500 para grave. Os seis principais poluentes atmosf\u00e9ricos s\u00e3o considerados para calcular o AQI, que s\u00e3o: Material Particulado (PM 10 e PM 2,5), mon\u00f3xido de carbono (CO), oz\u00f4nio (O3), di\u00f3xido de nitrog\u00eanio (NO2) e di\u00f3xido de enxofre (SO2). AQI variando de 0-500 tem diferentes concentra\u00e7\u00f5es de poluentes e efeitos associados \u00e0 sa\u00fade.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"US-EPA_AQI_alcance_e_impactos_provaveis\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US-EPA AQI alcance e impactos prov\u00e1veis:<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>0-50: <\/strong>O alcance mostra que a qualidade do ar \u00e9 boa e n\u00e3o representa nenhuma amea\u00e7a \u00e0 sa\u00fade.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>51-100: <\/strong>Este intervalo \u00e9 moderado e a qualidade \u00e9 aceit\u00e1vel. Algumas pessoas podem sentir desconforto.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>101-150: <\/strong>A qualidade do ar nesta faixa n\u00e3o \u00e9 saud\u00e1vel para grupos sens\u00edveis. Eles experimentam desconforto respirat\u00f3rio.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>151-200: <\/strong>A faixa mostra a qualidade do ar insalubre e as pessoas come\u00e7am a sentir efeitos como dificuldade respirat\u00f3ria.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>201-300: <\/strong>A qualidade do ar \u00e9 muito insalubre nesta faixa e avisos de sa\u00fade podem ser emitidos para condi\u00e7\u00f5es de emerg\u00eancia. Todas as pessoas provavelmente ser\u00e3o afetadas.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>301-500: <\/strong>Esta \u00e9 a categoria perigosa de qualidade do ar e impactos graves na sa\u00fade, como desconforto respirat\u00f3rio, asfixia, irrita\u00e7\u00e3o das vias a\u00e9reas, etc. podem ser experimentados por todos.<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"What is Air Pollution and Air Quality Index (AQI) ?\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/r2iEpq4lje0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Air_Quality_Index_Parameters\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Air Quality Index Parameters<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><\/h2>\n<h3 style=\"text-align: left;\"><span class=\"ez-toc-section\" id=\"1_Particulate_Matter_PM10_PM25\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>1. Particulate Matter (PM10 &amp; PM2.5)<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-24319\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2021\/09\/pm-icon-150x150.jpg\" alt=\"pm2.5 icon\" width=\"100\" height=\"100\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/pm-icon-150x150.jpg 150w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/pm-icon-300x300.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/pm-icon-180x180.jpg 180w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/pm-icon-100x100.jpg 100w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/pm-icon.jpg 600w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/><\/span>Uma mistura de part\u00edculas com got\u00edculas l\u00edquidas no ar forma material particulado. PM10 s\u00e3o part\u00edculas com tamanho menor ou igual a 10 m\u00edcrons, enquanto <a href=\"\/?p=63475\">PM2.5<\/a> s\u00e3o part\u00edculas ultrafinas com tamanho menor ou igual a 2.5 m\u00edcrons.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Fontes\"><\/span>Fontes:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">O material particulado \u00e9 liberado de constru\u00e7\u00f5es, defuma\u00e7\u00e3o, limpezas, reformas, demoli\u00e7\u00f5es, constru\u00e7\u00f5es, riscos naturais como terremotos, erup\u00e7\u00f5es vulc\u00e2nicas e emiss\u00f5es de ind\u00fastrias como fornos de tijolos, papel e celulose, etc.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Efeitos_relacionados\"><\/span>Efeitos relacionados:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">Essas part\u00edculas, quando inaladas, podem penetrar mais profundamente no sistema respirat\u00f3rio e causar doen\u00e7as respirat\u00f3rias, como asma, tosse, espirros, irrita\u00e7\u00e3o nas vias a\u00e9reas, olhos, nariz, irrita\u00e7\u00e3o na garganta, etc. Estudos tamb\u00e9m mostraram liga\u00e7\u00f5es entre exposi\u00e7\u00e3o a PM e diabetes.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Limites_de_exposicao_segura\"><\/span>Limites de exposi\u00e7\u00e3o segura:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>O governo India e a US-EPA usam PM10 e PM2.5 como um dos crit\u00e9rios para o c\u00e1lculo do \u00edndice de qualidade do ar (AQI). Os n\u00edveis de exposi\u00e7\u00e3o seguros para PM10 (24 horas) s\u00e3o 0-100 ug\/m<sup>3<\/sup> e para PM2.5 (24 horas) \u00e9 0-60 ug\/m3 conforme o CPCB indiano. De acordo com a EPA dos EUA, os n\u00edveis seguros de PM10 s\u00e3o 0-54 ug\/m<sup>3<\/sup> e PM2.5 \u00e9 0-12.0 ug\/m<sup>3<\/sup>.<\/p>\n<table dir=\"ltr\" style=\"width: 99.0001%; height: 221px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 72px; width: 16.6667%;\" colspan=\"1\" rowspan=\"2\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian AQI&quot;}\">\n<div><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian AQI<\/strong><\/span><\/div>\n<\/td>\n<td style=\"text-align: center; height: 24px; width: 33.1667%;\" colspan=\"2\" rowspan=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian Range (24 hr)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian Range (24 hr)<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 72px; width: 16.6667%;\" colspan=\"1\" rowspan=\"2\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US AQI&quot;}\">\n<div><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US AQI<\/strong><\/span><\/div>\n<\/td>\n<td style=\"text-align: center; height: 24px; width: 33.1667%;\" colspan=\"2\" rowspan=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US-EPA range (24 hr)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US-EPA range (24 hr)<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 48px;\">\n<td style=\"text-align: center; height: 48px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;PM10 (ug\/m3)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>PM10 (ug\/m3)<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 48px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;PM2.5 (ug\/m3)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>PM2.5 (ug\/m3)<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 48px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;PM10 (ug\/m3)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>PM10 (ug\/m3)<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 48px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;PM2.5 (ug\/m3)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>PM2.5 (ug\/m3)<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-30&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-30<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-54&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-54<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-12.0&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-12.0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;31-60&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">31-60<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;55-154&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">55-154<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;12.1-35.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">12.1-35.4<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-200<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-250&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-250<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;61-90&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">61-90<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-150&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-150<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;155-254&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">155-254<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;35.5-55.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">35.5-55.4<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;251-350&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">251-350<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;91-120&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">91-120<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;151-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">151-200<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;255-354&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">255-354<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;55.5-150.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">55.5-150.4<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-400&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-400<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;351-430&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">351-430<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;121-250&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">121-250<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;355-424&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">355-424<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;150.5-250.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">150.5-250.4<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;401-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">401-500<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;430+&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">430+<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;250+&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">250+<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-500<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.5%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;425-604&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">425-604<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 16.6667%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;250.5-500.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">250.5-500.4<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"Como_medir_PM_25_e_10\"><\/span>Como medir PM (2.5 e 10)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>O material particulado pode ser medido por um sensor laser PM usando o m\u00e9todo de dispers\u00e3o de luz. O sensor <a href=\"\/?page_id=58304\">Prana Air PM<\/a> tamb\u00e9m pode fornecer monitoramento em tempo real do poluente.<\/p>\n<h4><\/h4>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_Carbon_Monoxide\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>2. Carbon Monoxide<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span style=\"font-family: arial, helvetica, sans-serif;\"><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-24321\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2021\/09\/co-icon.jpg\" alt=\"co gas icon\" width=\"100\" height=\"100\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/co-icon.jpg 600w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/co-icon-300x300.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/co-icon-150x150.jpg 150w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/co-icon-180x180.jpg 180w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/co-icon-100x100.jpg 100w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/>Fontes:<br \/>\n<\/strong><\/span><\/h4>\n<p style=\"text-align: justify;\">\u00c9 um g\u00e1s incolor, liberado na atmosfera por emiss\u00f5es de autom\u00f3veis, inc\u00eandios, processos industriais, fog\u00f5es a g\u00e1s, chamin\u00e9s de cozinha, geradores, queima de lenha, etc.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Efeitos_relacionados-2\"><\/span>Efeitos relacionados:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">A exposi\u00e7\u00e3o ao mon\u00f3xido de carbono causa envenenamento por mon\u00f3xido de carbono (interfer\u00eancia na liga\u00e7\u00e3o oxig\u00eanio-hemoglobina) em seres humanos, dor no peito, doen\u00e7as card\u00edacas, capacidades mentais reduzidas, problemas de vis\u00e3o e contribui para a forma\u00e7\u00e3o de smog.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Limites_de_exposicao_segura-2\"><\/span>Limites de exposi\u00e7\u00e3o segura:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">\u00c9 usado tanto pelo governo indiano quanto pela US-EPA como crit\u00e9rios AQI. O n\u00edvel seguro de exposi\u00e7\u00e3o de acordo com o governo indiano \u00e9 de 0-04 mg\/m<sup>3<\/sup> (1 hora) e de acordo com a US-EPA \u00e9 de 0-9.4 ppm em 8 horas.<\/p>\n<table dir=\"ltr\" style=\"width: 97.9478%; height: 203px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<colgroup>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/><\/colgroup>\n<tbody>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 26.3251%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian AQI&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 29.4169%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian Range CO (mg\/m3)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian Range CO (mg\/m3)<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 15.9895%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US AQI&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 28.0919%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US-EPA Range CO (ppm)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US-EPA Range CO (ppm)<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 26.3251%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 29.4169%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-1.0&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-1.0<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 15.9895%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 28.0919%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-4.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-4.4<\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 26.3251%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 29.4169%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;1.1-2.0&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">1.1-2.0<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 15.9895%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 28.0919%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;4.5-9.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">4.5-9.4<\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 26.3251%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-200<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 29.4169%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;2.1-10&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">2.1-10<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 15.9895%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-150&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-150<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 28.0919%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;9.5-12.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">9.5-12.4<\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 26.3251%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 29.4169%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;10.1-17&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">10.1-17<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 15.9895%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;151-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">151-200<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 28.0919%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;12.5-15.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">12.5-15.4<\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 26.3251%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-400&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-400<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 29.4169%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;17.1-34&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">17.1-34<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 15.9895%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 28.0919%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;15.5-30.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">15.5-30.4<\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 26.3251%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;401-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">401-500<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 29.4169%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;34+&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">34+<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 15.9895%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-500<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 28.0919%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;30.5-50.4&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">30.5-50.4<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"Como_medir_o_monoxido_de_carbono_CO\"><\/span>Como medir o mon\u00f3xido de carbono (CO)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>O mon\u00f3xido de carbono pode ser medido por um sensor usando o m\u00e9todo eletroqu\u00edmico. O <a href=\"\/?page_id=58896\">sensor Prana Air co<\/a> dar\u00e1 medi\u00e7\u00e3o em tempo real do poluente.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Ozone_O3\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>3. Ozone (O3)<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-24322\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2021\/09\/o3-icon.jpg\" alt=\"o3 gas icon\" width=\"100\" height=\"100\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/o3-icon.jpg 600w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/o3-icon-300x300.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/o3-icon-150x150.jpg 150w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/o3-icon-180x180.jpg 180w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/o3-icon-100x100.jpg 100w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/>O oz\u00f4nio \u00e9 composto por tr\u00eas \u00e1tomos de oxig\u00eanio. Ele forma a camada protetora que impede a entrada de radia\u00e7\u00e3o ultravioleta nociva na terra. O oz\u00f4nio terrestre \u00e9 muito prejudicial ao ser humano e ao meio ambiente.<br \/>\n<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Fontes-3\"><\/span>Fontes:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">\u00c9 liberado de ind\u00fastrias, emiss\u00f5es de autom\u00f3veis, vapores de gasolina, solventes, produtos qu\u00edmicos e dispositivos eletr\u00f4nicos. \u00d3xidos de nitrog\u00eanio (NOx) e compostos org\u00e2nicos vol\u00e1teis totais (tVOCs) tamb\u00e9m contribuem para a forma\u00e7\u00e3o de oz\u00f4nio no solo.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Efeitos_relacionados-3\"><\/span>Efeitos relacionados:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">O oz\u00f4nio do solo interfere no processo de respira\u00e7\u00e3o da planta e aumenta a suscetibilidade a estressores ambientais. Quando o oz\u00f4nio \u00e9 inalado por humanos, a fun\u00e7\u00e3o pulmonar reduzida, inflama\u00e7\u00e3o das vias a\u00e9reas e irrita\u00e7\u00e3o nos olhos, nariz e garganta s\u00e3o observadas.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Limites_de_exposicao_segura-3\"><\/span>Limites de exposi\u00e7\u00e3o segura:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>O oz\u00f4nio \u00e9 um crit\u00e9rio para AQI usado tanto pela EPA indiana quanto pelos EUA. De acordo com o governo India, a exposi\u00e7\u00e3o segura \u00e9 de 0-100 ug\/m<sup>3<\/sup> (8 horas) e de acordo com a US-EPA, \u00e9 de 0-0.054 ppm (8 horas).<\/p>\n<table dir=\"ltr\" style=\"width: 98.1657%; height: 203px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 19.0308%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian AQI&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 31.1013%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian range for O3 (ug\/m3)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian Range for O3 (ug\/m3)<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 9.95597%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US AQI&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 39.7356%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US-EPA range for O3 (ppm) (8 hour)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US-EPA Range for O3 (ppm) (8 hour)<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 19.0308%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 31.1013%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 9.95597%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 39.7356%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-0.54&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-0.54<\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 19.0308%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 31.1013%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 9.95597%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 39.7356%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0.055-0.070&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0.055-0.070<\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 19.0308%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-200<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 31.1013%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-168&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-168<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 9.95597%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-150&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-150<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 39.7356%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0.071-0.085&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0.071-0.085<\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 19.0308%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 31.1013%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;169-208&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">169-208<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 9.95597%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;151-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">151-200<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 39.7356%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0.086-0.105&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0.086-0.105<\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 19.0308%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-400&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-400<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 31.1013%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;209-748&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">209-748<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 9.95597%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 39.7356%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0.106-0.200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0.106-0.200<\/span><\/td>\n<\/tr>\n<tr style=\"height: 29px;\">\n<td style=\"text-align: center; height: 29px; width: 19.0308%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;401-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">401-500<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 31.1013%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;748+&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">748+<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 9.95597%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-500<\/span><\/td>\n<td style=\"text-align: center; height: 29px; width: 39.7356%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"Como_medir_o_ozonio_O3\"><\/span>Como medir o oz\u00f4nio (O3)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>O g\u00e1s oz\u00f4nio pode ser medido por um sensor usando o m\u00e9todo eletroqu\u00edmico. O sensor <a href=\"\/?page_id=60230\">Prana Air O3<\/a> fornecer\u00e1 medi\u00e7\u00e3o em tempo real do poluente.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"4_Nitrogen_Dioxide_NO2\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>4. Nitrogen Dioxide (NO2)<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-24323\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2021\/09\/no2-icon.jpg\" alt=\"no2 gas icon\" width=\"100\" height=\"100\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/no2-icon.jpg 600w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/no2-icon-300x300.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/no2-icon-150x150.jpg 150w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/no2-icon-180x180.jpg 180w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/no2-icon-100x100.jpg 100w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/>O di\u00f3xido de nitrog\u00eanio \u00e9 um g\u00e1s altamente reativo conhecido presente na atmosfera.<br \/>\n<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Fontes-4\"><\/span>Fontes:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u00c9 liberado no meio ambiente a partir de emiss\u00f5es de autom\u00f3veis, gera\u00e7\u00e3o de eletricidade, queima de combust\u00edvel, combust\u00e3o de combust\u00edvel f\u00f3ssil e diversos processos industriais.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Efeitos_relacionados-4\"><\/span>Efeitos relacionados:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">O envenenamento por di\u00f3xido de nitrog\u00eanio \u00e9 t\u00e3o perigoso quanto o envenenamento por mon\u00f3xido de carbono. \u00c9 quando inalado pode causar s\u00e9rios danos ao cora\u00e7\u00e3o, absorvido pelos pulm\u00f5es, inflama\u00e7\u00e3o e irrita\u00e7\u00e3o das vias a\u00e9reas. A forma\u00e7\u00e3o de smog e os danos na folhagem s\u00e3o alguns dos impactos ambientais do di\u00f3xido de nitrog\u00eanio.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Nivel_de_exposicao_seguro\"><\/span>N\u00edvel de exposi\u00e7\u00e3o seguro:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">O governo India e a US-EPA usam o di\u00f3xido de nitrog\u00eanio como par\u00e2metro para o c\u00e1lculo do AQI. De acordo com o governo indiano, a exposi\u00e7\u00e3o segura \u00e9 de 0-80 ug\/m<sup>3<\/sup> (24 horas) e de acordo com a US-EPA, \u00e9 de 0-53 ppb (1 hora).<\/p>\n<table dir=\"ltr\" style=\"width: 99.8287%; height: 223px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian AQI&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian Range for NO2 (ug\/m3)(24 hour)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian Range for NO2 (ug\/m3)(24 hours)<\/strong><\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US AQI&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US-EPA Range for NO2 (ppb) (1 hour)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US-EPA Range for NO2 (ppb) (1 hour)<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-40&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-40<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-53&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-53<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;41-80&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">41-80<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;54-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">54-100<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-200<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;81-180&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">81-180<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-150&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-150<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-360&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-360<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;181-280&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">181-280<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;151-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">151-200<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;361-649&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">361-649<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-400&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-400<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;281-400&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">281-400<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;650-1249&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">650-1249<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;401-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">401-500<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;400+&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">400+<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-500<\/span><\/td>\n<td style=\"text-align: center;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;1250-2049&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">1250-2049<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"Como_medir_o_dioxido_de_nitrogenio_NO2\"><\/span>Como medir o di\u00f3xido de nitrog\u00eanio (NO2)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Um sensor usando o m\u00e9todo eletroqu\u00edmico pode medir o g\u00e1s NO2. O sensor <a href=\"\/?page_id=59498\">Prana Air NO2<\/a> fornece medi\u00e7\u00e3o em tempo real do poluente.<\/p>\n<h3><\/h3>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"5_Sulfur_Dioxide_SO2\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>5. Sulfur Dioxide (SO2)<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-24324\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2021\/09\/so2-icon.jpg\" alt=\"so2 gas icon\" width=\"100\" height=\"100\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/so2-icon.jpg 600w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/so2-icon-300x300.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/so2-icon-150x150.jpg 150w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/so2-icon-180x180.jpg 180w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/so2-icon-100x100.jpg 100w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/>O di\u00f3xido de enxofre \u00e9 um g\u00e1s incolor com odor de queimado e a f\u00f3rmula qu\u00edmica SO2. O g\u00e1s \u00e9 de natureza \u00e1cida e corrosiva e pode reagir na atmosfera com outros compostos para formar \u00e1cido sulf\u00farico e outros \u00f3xidos de enxofre.<br \/>\n<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Fontes-5\"><\/span>Fontes:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Emiss\u00f5es de autom\u00f3veis, ind\u00fastrias, queima de combust\u00edvel f\u00f3ssil, gera\u00e7\u00e3o de eletricidade, etc. s\u00e3o as raz\u00f5es para a entrada de di\u00f3xido de enxofre na atmosfera.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Efeitos_relacionados-5\"><\/span>Efeitos relacionados:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">O di\u00f3xido de enxofre \u00e9 uma das principais causas da produ\u00e7\u00e3o de neblina, chuva \u00e1cida, danos \u00e0 folhagem, monumentos e edif\u00edcios, reage e forma part\u00edculas. Em humanos, causa desconforto respirat\u00f3rio, asma, irrita\u00e7\u00e3o nos olhos, nariz e garganta, inflama\u00e7\u00e3o das vias a\u00e9reas e doen\u00e7as card\u00edacas.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Nivel_de_exposicao_seguro-2\"><\/span>N\u00edvel de exposi\u00e7\u00e3o seguro:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>O Di\u00f3xido de Enxofre \u00e9 usado pelo governo indiano e pela US-EPA como par\u00e2metro para o c\u00e1lculo do \u00cdndice de Qualidade do Ar (AQI). O n\u00edvel de exposi\u00e7\u00e3o seguro \u00e9 de 0-80 ug\/m3 (24 horas) e 0-75 ppb (1 hora), de acordo com o governo indiano e a US-EPA, respectivamente.<\/p>\n<table dir=\"ltr\" style=\"width: 99.0043%; height: 263px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<colgroup>\n<col width=\"100\" \/>\n<col width=\"143\" \/>\n<col width=\"100\" \/>\n<col width=\"121\" \/><\/colgroup>\n<tbody>\n<tr>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian AQI range&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center; width: 30.7692%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian range for SO2 (ug\/m3)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian Range for SO2 (ug\/m3)<\/strong><\/span><\/td>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US AQI range&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center; width: 25.9615%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US-EPA range for SO2 (ppb) (1 hour)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US-EPA Range for SO2 (ppb) (1 hour)<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; width: 30.7692%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-40&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-40<\/span><\/td>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; width: 25.9615%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-35&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-35<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; width: 30.7692%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;41-80&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">41-80<\/span><\/td>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; width: 25.9615%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;36-75&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">36-75<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-200<\/span><\/td>\n<td style=\"text-align: center; width: 30.7692%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;81-380&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">81-380<\/span><\/td>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-150&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-150<\/span><\/td>\n<td style=\"text-align: center; width: 25.9615%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;76-185&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">76-185<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; width: 30.7692%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;381-800&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">381-800<\/span><\/td>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;151-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">151-200<\/span><\/td>\n<td style=\"text-align: center; width: 25.9615%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;186-304&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">186-304<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-400&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-400<\/span><\/td>\n<td style=\"text-align: center; width: 30.7692%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;801-1600&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">801-1600<\/span><\/td>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; width: 25.9615%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;305-604 (24 hour)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">305-604 (24 hours)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;401-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">401-500<\/span><\/td>\n<td style=\"text-align: center; width: 30.7692%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;1600+&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">1600+<\/span><\/td>\n<td style=\"text-align: center; width: 21.5144%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-500<\/span><\/td>\n<td style=\"text-align: center; width: 25.9615%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;605-1004 (24 hour)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">605-1004 (24 hours)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"Como_medir_o_dioxido_de_enxofre_SO2\"><\/span>Como medir o di\u00f3xido de enxofre (SO2)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Um sensor usando o m\u00e9todo eletroqu\u00edmico pode medir o g\u00e1s SO2. O sensor <a href=\"\/?page_id=59472\">Prana Air SO2<\/a> fornece medi\u00e7\u00e3o em tempo real do poluente.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Ammonia_NH3\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>6. Ammonia (NH3)<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-24325 alignleft\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2021\/09\/nh3-icon.jpg\" alt=\"nh3 ammonia icon\" width=\"100\" height=\"100\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/nh3-icon.jpg 600w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/nh3-icon-300x300.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/nh3-icon-150x150.jpg 150w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/nh3-icon-180x180.jpg 180w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/nh3-icon-100x100.jpg 100w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/>A am\u00f4nia \u00e9 um g\u00e1s alcalino incolor, reativo e sol\u00favel com forte odor pungente e \u00e9 usado apenas pelo governo indiano como par\u00e2metro de AQI.<br \/>\n<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Fontes-6\"><\/span>Fontes:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">As principais fontes de am\u00f4nia s\u00e3o atividades agr\u00edcolas, pecu\u00e1ria, fertilizantes, v\u00e1rios processos industriais, emiss\u00f5es de autom\u00f3veis, volatiliza\u00e7\u00e3o dos oceanos e do solo, etc.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Efeitos_relacionados-6\"><\/span>Efeitos relacionados:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">A am\u00f4nia \u00e9 uma das principais raz\u00f5es para a eutrofiza\u00e7\u00e3o em corpos d&#8217;\u00e1gua. Contribui para a mudan\u00e7a clim\u00e1tica, a forma\u00e7\u00e3o de material particulado, a redu\u00e7\u00e3o da visibilidade e a deposi\u00e7\u00e3o atmosf\u00e9rica de \u00e1tomos de nitrog\u00eanio. Os seres humanos experimentam imediatamente queimaduras nos olhos, nariz, garganta e trato respirat\u00f3rio, cegueira e danos nos pulm\u00f5es ap\u00f3s a exposi\u00e7\u00e3o a n\u00edveis elevados. Pode causar tosse e irrita\u00e7\u00e3o nos olhos, nariz e garganta com exposi\u00e7\u00e3o de baixa concentra\u00e7\u00e3o.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Nivel_de_exposicao_seguro-3\"><\/span>N\u00edvel de exposi\u00e7\u00e3o seguro:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>O NH3 \u00e9 considerado um par\u00e2metro de qualidade do ar pelo governo indiano e o n\u00edvel de exposi\u00e7\u00e3o segura \u00e9 de 0-400 ug\/m<sup>3<\/sup> (24 horas).<\/p>\n<table dir=\"ltr\" style=\"width: 97.5803%; height: 253px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td style=\"text-align: center; width: 17.2872%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian AQI range&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center; width: 34.7518%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian range for NH3 (ug\/m3)(24 hour)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian Range for NH3 (ug\/m3)(24 hours)<\/strong><\/span><\/td>\n<td style=\"text-align: center; width: 8.42199%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US AQI range&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center; width: 39.3617%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US-EPA range for NH3 (ppb) (1 hour)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US-EPA Range for NH3 (ppb) (1 hour)<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 17.2872%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; width: 34.7518%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-200<\/span><\/td>\n<td style=\"text-align: center; width: 8.42199%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; width: 39.3617%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 17.2872%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; width: 34.7518%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-400&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-400<\/span><\/td>\n<td style=\"text-align: center; width: 8.42199%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; width: 39.3617%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 17.2872%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-200<\/span><\/td>\n<td style=\"text-align: center; width: 34.7518%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;401-800&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">401-800<\/span><\/td>\n<td style=\"text-align: center; width: 8.42199%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-150&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-150<\/span><\/td>\n<td style=\"text-align: center; width: 39.3617%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 17.2872%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; width: 34.7518%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;801-1200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">801-1200<\/span><\/td>\n<td style=\"text-align: center; width: 8.42199%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;151-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">151-200<\/span><\/td>\n<td style=\"text-align: center; width: 39.3617%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 17.2872%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-400&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-400<\/span><\/td>\n<td style=\"text-align: center; width: 34.7518%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;1201-1800&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">1201-1800<\/span><\/td>\n<td style=\"text-align: center; width: 8.42199%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; width: 39.3617%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 17.2872%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;401-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">401-500<\/span><\/td>\n<td style=\"text-align: center; width: 34.7518%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;1800+&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">1800+<\/span><\/td>\n<td style=\"text-align: center; width: 8.42199%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-500<\/span><\/td>\n<td style=\"text-align: center; width: 39.3617%;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"7_Lead_Pb\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>7. Lead (Pb)<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-24326\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2021\/09\/lead-icon.jpg\" alt=\"lead icon\" width=\"100\" height=\"100\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/lead-icon.jpg 600w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/lead-icon-300x300.jpg 300w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/lead-icon-150x150.jpg 150w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/lead-icon-180x180.jpg 180w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2021\/09\/lead-icon-100x100.jpg 100w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/>O chumbo \u00e9 um metal brilhante azul-branco pertencente ao grupo heavy metal. \u00c9 corrosivo e resistente por natureza, mas fica facilmente manchado quando exposto ao ar.<br \/>\n<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Fontes-7\"><\/span>Fontes:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u00c9 liberado durante o processamento de metais, incinera\u00e7\u00e3o de res\u00edduos, combust\u00e3o de combust\u00edveis f\u00f3sseis, res\u00edduos de baterias, emiss\u00f5es de ve\u00edculos, combust\u00e3o de combust\u00edveis f\u00f3sseis, etc.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Efeitos_relacionados-7\"><\/span>Efeitos relacionados:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">O efeito da exposi\u00e7\u00e3o ao chumbo (Pb) pode causar nefrotoxicidade, neurotoxicidade, deforma\u00e7\u00f5es \u00f3sseas, reprodu\u00e7\u00e3o reduzida, dificuldades de aprendizagem, efeitos cardiovasculares, perda de biodiversidade, redu\u00e7\u00e3o da fertilidade do solo e contamina\u00e7\u00e3o da \u00e1gua.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Niveis_de_exposicao_seguros\"><\/span>N\u00edveis de exposi\u00e7\u00e3o seguros:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>O n\u00edvel seguro de exposi\u00e7\u00e3o ao chumbo \u00e9 de 0-1.0 ug\/m<sup>3<\/sup> (24 horas) de acordo com o CPCB India.<\/p>\n<table dir=\"ltr\" style=\"width: 99.3041%; height: 217px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 31px;\">\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian AQI range&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Indian range for Pb (ug\/m3)(24 hour)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Indian Range for Pb (ug\/m3)(24 hours)<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US AQI range&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US AQI<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;US-EPA range for Pb (ppb) (1 hour)&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>US-EPA Range for Pb (ppb) (1 hour)<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 31px;\">\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-0.5&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-0.5<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0-50&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0-50<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr style=\"height: 31px;\">\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;0.6-1.0&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">0.6-1.0<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;51-100&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">51-100<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr style=\"height: 31px;\">\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-200<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;1.1-2.0&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">1.1-2.0<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;101-150&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">101-150<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr style=\"height: 31px;\">\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;2.1-3.0&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">2.1-3.0<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;151-200&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">151-200<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr style=\"height: 31px;\">\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-400&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-400<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;3.1-3.5&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">3.1-3.5<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;201-300&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">201-300<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr style=\"height: 31px;\">\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;401-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">401-500<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;3.5+&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">3.5+<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;301-500&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">301-500<\/span><\/td>\n<td style=\"text-align: center; height: 31px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;-&quot;}\"><span style=\"font-family: arial, helvetica, sans-serif;\">&#8211;<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Como_calcular_o_Indice_de_Qualidade_do_Ar\"><\/span>Como calcular o \u00cdndice de Qualidade do Ar?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">A f\u00f3rmula para calcular o AQI \u00e9 a mesma do CPCB India e da US-EPA. O AQI \u00e9 calculado usando as equa\u00e7\u00f5es separadamente para os par\u00e2metros. Por exemplo, se voc\u00ea deseja calcular o AQI com base em quatro par\u00e2metros, use a equa\u00e7\u00e3o quatro vezes, e o pior sub\u00edndice comunicar\u00e1 o AQI. Um sub\u00edndice \u00e9 uma fun\u00e7\u00e3o linear (duas no\u00e7\u00f5es diferentes, por\u00e9m relacionadas) da concentra\u00e7\u00e3o de poluentes.<br \/>\n<strong><span style=\"font-family: arial, helvetica, sans-serif;\">Ip = [IHi &#8211; ILo \/ BPHi &#8211; BPLo] (Cp &#8211; BPLo) + ILo <\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\">Where,<\/span><\/p>\n<p style=\"text-align: justify; padding-left: 40px;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Ip<\/strong> = index of pollutant p<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Cp<\/strong> = truncated concentration of pollutant p<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><strong>BPHi<\/strong> = concentration breakpoint i.e. greater than or equal to Cp<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><strong>BPLo<\/strong> = concentration breakpoint i.e. less than or equal to Cp<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><strong>IHi<\/strong> = AQI value corresponding to BPHi<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><strong>ILo<\/strong> = AQI value corresponding to BPLo<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Indian_equation_for_AQI\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>1. Indian equation for AQI:<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A faixa indiana AQI difere daquela da US-EPA. Para calcular o AQI, um m\u00ednimo de tr\u00eas par\u00e2metros devem ser retirados, dos quais um deve ser PM10 ou PM2.5.<br \/>\nPara calcular os sub\u00edndices, s\u00e3o necess\u00e1rias 16 horas de dados.<\/p>\n<p><strong>Por exemplo:<\/strong> Se voc\u00ea deseja calcular o AQI com base em PM2.5, CO e oz\u00f4nio, calcule o sub\u00edndice para cada par\u00e2metro separadamente.<br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\">Se a concentra\u00e7\u00e3o atual de PM2.5 for 110 ug\/m<sup>3<\/sup>, ent\u00e3o se referir ao intervalo AQI de acordo com os padr\u00f5es indianos<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">BPHi = 120, BPLo = 91, IHi = 300 and ILo = 201. <\/span><br \/>\nColocando os valores na equa\u00e7\u00e3o e resolvendo:<br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Sub Index<\/strong>= [(300-201)\/ (120-91)] (110-91) + 201 <\/span><span style=\"font-family: arial, helvetica, sans-serif;\">= 265.86<\/span><\/p>\n<p>Da mesma forma, para outros par\u00e2metros, o sub\u00edndice pode ser calculado e o pior sub\u00edndice mostra o AQI.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_US-EPA_equation_for_AQI\"><\/span><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>2. US-EPA equation for AQI:<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A faixa US-EPA \u00e9 diferente da faixa indiana AQI. A equa\u00e7\u00e3o pode ser usada de forma diferente se mais de um poluente estiver presente e o sub\u00edndice mais atingido refletir o AQI.<\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Por exemplo: digamos que voc\u00ea queira calcular AQI para mon\u00f3xido de carbono e a concentra\u00e7\u00e3o truncada (Cp) de CO seja 11.0 ppm, ent\u00e3o IHi = 150, ILo = 101, BPHi = 12.4, BPLo = 9.5 conforme US-EPA variar.<\/span><br \/>\nColocando todos os valores na equa\u00e7\u00e3o e resolvendo,<br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Ip<\/strong> = [(150-101) \/ (12.4-9.5)] (11.0-9.5) + 101 <\/span><span style=\"font-family: arial, helvetica, sans-serif;\">= 126.34<\/span><\/p>\n<p>Calcule o AQI para outros par\u00e2metros presentes e aplique a equa\u00e7\u00e3o de forma diferente, identifique o \u00edndice mais atingido e ele lhe dar\u00e1 o AQI.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"10_dicas_de_como_voce_pode_reduzir_a_poluicao_do_ar\"><\/span>10 dicas de como voc\u00ea pode reduzir a polui\u00e7\u00e3o do ar:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1. Limite o uso frequente de ve\u00edculos<\/p>\n<p>2. Pare de fumar tabaco<\/p>\n<p>3. N\u00e3o use e queime pl\u00e1sticos<\/p>\n<p>4. Minimize a produ\u00e7\u00e3o de res\u00edduos<\/p>\n<p>5. Compra coisas de uso, pois reduzir\u00e1 o desperd\u00edcio.<\/p>\n<p>6. Minimize o uso de condicionadores de ar, refrigerantes e outros refrigerantes.<\/p>\n<p>7. Siga os 5 Rs: Reutilizar, Reduzir, Reciclar, Reparar e Recusar.<\/p>\n<p>8. Opte pelo transporte p\u00fablico<\/p>\n<p>9. Mude para energia renov\u00e1vel, como energia solar e e\u00f3lica<\/p>\n<p>10. Limpe regularmente as chamin\u00e9s da sua cozinha<\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>\u00a0<\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A polui\u00e7\u00e3o do ar \u00e9 uma grande preocupa\u00e7\u00e3o nos dias de hoje. A presen\u00e7a de uma coisa, contaminante ou agente&hellip;<\/p>\n","protected":false},"author":3415,"featured_media":59395,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[400,398,409],"tags":[],"class_list":["post-59394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-pollution-pt-pt","category-air-quality-pt-pt","category-outdoor-air-quality-pt-pt"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>O que \u00e9 o \u00cdndice de Qualidade do Ar (AQI) e como \u00e9 calculado?<\/title>\n<meta name=\"description\" content=\"O \u00cdndice de Qualidade do Ar (AQI) representa a qualidade do ar presente ao nosso redor. 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