{"id":67515,"date":"2020-10-28T02:28:54","date_gmt":"2020-10-27T20:58:54","guid":{"rendered":"https:\/\/www.pranaair.com\/blog\/pm2-5-in-the-ambient-air-is-increasing\/"},"modified":"2023-02-21T16:01:04","modified_gmt":"2023-02-21T10:31:04","slug":"pm2-5-in-the-ambient-air-is-increasing","status":"publish","type":"post","link":"https:\/\/www.pranaair.com\/blog\/pt-pt\/pm2-5-in-the-ambient-air-is-increasing\/","title":{"rendered":"Cuidado! PM2.5 no ar ambiente est\u00e1 aumentando &#8211; Prana Air investiga"},"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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/pm2-5-in-the-ambient-air-is-increasing\/#Por_que_os_invernos_sao_tao_desconfortaveis_em_termos_de_poluicao_particulada\" >Por que os invernos s\u00e3o t\u00e3o desconfort\u00e1veis em termos de polui\u00e7\u00e3o particulada?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/pm2-5-in-the-ambient-air-is-increasing\/#Isso_significa_que_culpar_Dussehra_pelos_niveis_crescentes_de_poluicao_em_Delhi_e_errado\" >Isso significa que culpar Dussehra pelos n\u00edveis crescentes de polui\u00e7\u00e3o em Delhi \u00e9 errado?<\/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\/pm2-5-in-the-ambient-air-is-increasing\/#Qual_e_o_proximo\" >Qual \u00e9 o pr\u00f3ximo?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/pm2-5-in-the-ambient-air-is-increasing\/#Um_comeco_doentio\" >Um come\u00e7o doentio<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/pm2-5-in-the-ambient-air-is-increasing\/#A_gravidade_aumenta\" >A gravidade aumenta<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/pm2-5-in-the-ambient-air-is-increasing\/#Um_prumo_respiravel\" >Um prumo respir\u00e1vel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/pm2-5-in-the-ambient-air-is-increasing\/#Infelizmente_De_novo_nao\" >Infelizmente! De novo n\u00e3o.<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.pranaair.com\/blog\/pt-pt\/pm2-5-in-the-ambient-air-is-increasing\/#Conclusao\" >Conclus\u00e3o<\/a><\/li><\/ul><\/nav><\/div>\n<p style=\"text-align: justify;\">Voc\u00ea observou alguma mudan\u00e7a na visibilidade externa ultimamente? Voc\u00ea sente irrita\u00e7\u00e3o no nariz e na garganta sempre que sai de casa? Voc\u00ea est\u00e1 cancelando seus passeios e preferindo ficar em casa hoje em dia? Se a resposta a todas essas perguntas for sim, ent\u00e3o voc\u00ea est\u00e1 sendo v\u00edtima da polui\u00e7\u00e3o do inverno que est\u00e1 se espalhando constantemente desde o in\u00edcio deste m\u00eas. Seu impacto n\u00e3o \u00e9 realmente impercept\u00edvel. A concentra\u00e7\u00e3o de PM2.5 no ar ambiente \u00e9 a principal culpada, e a Prana Air decidiu investigar como e por qu\u00ea!<\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Por_que_os_invernos_sao_tao_desconfortaveis_em_termos_de_poluicao_particulada\"><\/span>Por que os invernos s\u00e3o t\u00e3o desconfort\u00e1veis em termos de polui\u00e7\u00e3o particulada?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Os n\u00edveis de poluentes atmosf\u00e9ricos, como o material particulado, come\u00e7am a subir com o in\u00edcio dos invernos. Isso acontece devido \u00e0 combina\u00e7\u00e3o de dois fen\u00f4menos &#8211; Winter Inversion e Vertical Mixing.<\/p>\n<p style=\"text-align: justify;\">V\u00e1rias fontes liberam concentra\u00e7\u00f5es variadas de contaminantes do ar que permanecem suspensos no ar ambiente. Durante o ver\u00e3o, o ar na parte inferior da atmosfera \u00e9 leve e quente. Devido a isso, ele sobe com facilidade e carrega esses poluentes nas camadas superiores subsequentes. As camadas superiores da atmosfera cont\u00eam ar relativamente mais limpo e, portanto, os poluentes se afastam do solo. Isso \u00e9 chamado de mistura vertical.<\/p>\n<p style=\"text-align: justify;\">A invers\u00e3o atmosf\u00e9rica ocorre nos invernos. As condi\u00e7\u00f5es normais se invertem e o ar pr\u00f3ximo \u00e0 baixa atmosfera \u00e9 mais frio e denso. O ar relativamente mais quente das camadas superiores, portanto, atua como uma tampa atmosf\u00e9rica. Essa tampa aprisiona os poluentes dentro da camada fria e evita sua dispers\u00e3o atmosf\u00e9rica. Portanto, a mistura vertical ocorre na pr\u00f3pria camada inferior.<\/p>\n<p style=\"text-align: justify;\">Com taxas de emiss\u00e3o e concentra\u00e7\u00e3o de poluentes constantes, quanto menor a temperatura, maior a polui\u00e7\u00e3o.<\/p>\n<p style=\"text-align: justify;\">Como resultado desses eventos, os n\u00edveis de polui\u00e7\u00e3o s\u00e3o menores nos ver\u00f5es em rela\u00e7\u00e3o aos invernos, desde que as condi\u00e7\u00f5es espaciais e meteorol\u00f3gicas permane\u00e7am as mesmas. Voc\u00ea pode observar um efeito semelhante durante as tardes de inverno. O aumento dos n\u00edveis de calor diminui ligeiramente a polui\u00e7\u00e3o.<\/p>\n<p style=\"text-align: justify;\">As madrugadas e as noites s\u00e3o as piores. O impacto da invers\u00e3o \u00e9 visivelmente evidente, raz\u00e3o pela qual a qualidade do ar despenca durante essas horas.<\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Isso_significa_que_culpar_Dussehra_pelos_niveis_crescentes_de_poluicao_em_Delhi_e_errado\"><\/span>Isso significa que culpar Dussehra pelos n\u00edveis crescentes de polui\u00e7\u00e3o em Delhi \u00e9 errado?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">N\u00e3o. O Festival de Dussehra exacerbou o problema da polui\u00e7\u00e3o do ar no estado.<\/p>\n<p style=\"text-align: justify;\">A qualidade do ar \u00e9 um atributo amb\u00edguo. Numerosos fatores espaciais, temporais, atmosf\u00e9ricos, antropol\u00f3gicos e meteorol\u00f3gicos contribuem para a qualidade do ar de uma determinada \u00e1rea.<\/p>\n<p style=\"text-align: justify;\">As pessoas queimaram centenas de ef\u00edgies localmente, para marcar as festividades do triunfo do bem sobre o mal. No entanto, aumentou as emiss\u00f5es de part\u00edculas. As pessoas tamb\u00e9m acenderam fogos de artif\u00edcio que contribu\u00edram para o aumento repentino dos n\u00edveis de poluentes.<\/p>\n<p style=\"text-align: justify;\">Muitas \u00e1reas de Delhi-NCR testemunharam um aumento nos n\u00edveis de polui\u00e7\u00e3o, mesmo quando a velocidade do vento &#8211; um determinante meteorol\u00f3gico crucial &#8211; permaneceu baixa.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Qual_e_o_proximo\"><\/span>Qual \u00e9 o pr\u00f3ximo?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Especialistas previram que os n\u00edveis de polui\u00e7\u00e3o continuar\u00e3o aumentando com o passar dos dias. Assim, decidimos fazer um acompanhamento imediato das informa\u00e7\u00f5es.<\/p>\n<p style=\"text-align: justify;\">A figura a seguir cont\u00e9m os dados acessados no site oficial do Conselho Central de Controle de Polui\u00e7\u00e3o (CPCB) em 26 de outubro de 2020. Rohini, Delhi foi inserido como o local de destino porque esta esta\u00e7\u00e3o de monitoramento era a mais pr\u00f3xima de nossas instala\u00e7\u00f5es (2.2 km de dist\u00e2ncia) .<\/p>\n<p style=\"text-align: justify;\">Como pode ser visto na figura, o PM2.5 foi o poluente mais proeminente durante o dia, seguido pelo PM10. A concentra\u00e7\u00e3o de PM2.5 atingiu o pico durante as primeiras horas do dia e tarde da noite. As horas da noite testemunharam uma tend\u00eancia decrescente na concentra\u00e7\u00e3o de PM2.5.<\/p>\n<p style=\"text-align: justify;\">Tamb\u00e9m observamos as concentra\u00e7\u00f5es de PM2.5 em tempo real com a ajuda de nosso Pocket Monitor durante um per\u00edodo de 12 horas ao longo do dia. Fotografamos as leituras em diferentes intervalos temporais, viz. manh\u00e3, tarde, noite e noite.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Um_comeco_doentio\"><\/span>Um come\u00e7o doentio<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_13788\" aria-describedby=\"caption-attachment-13788\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13788 size-full\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2020\/10\/unhealthy-pm2.5-monitoring-in-delhi.jpg\" alt=\"unhealthy pm2.5 monitoring in delhi\" width=\"700\" height=\"500\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/10\/unhealthy-pm2.5-monitoring-in-delhi.jpg 700w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/10\/unhealthy-pm2.5-monitoring-in-delhi-300x214.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-13788\" class=\"wp-caption-text\">A concentra\u00e7\u00e3o de PM2.5 no ar ambiente \u00e0s 9h30.<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">A primeira leitura foi cronometrada \u00e0s 9h30.<\/p>\n<p style=\"text-align: justify;\">A visibilidade do terra\u00e7o do nosso pr\u00e9dio era muito baixa. A concentra\u00e7\u00e3o de PM2.5 no ar ambiente foi de 302 microgramas por metro c\u00fabico. O ar n\u00e3o era respir\u00e1vel e nos sentimos gratos pelas m\u00e1scaras que us\u00e1vamos.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"A_gravidade_aumenta\"><\/span>A gravidade aumenta<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_13792\" aria-describedby=\"caption-attachment-13792\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13792 size-full\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2020\/10\/afternoon-pm2.5-monitoring-in-delhi.jpg\" alt=\"afternoon concentration of PM2.5 in the ambient air in Delhi\" width=\"700\" height=\"500\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/10\/afternoon-pm2.5-monitoring-in-delhi.jpg 700w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/10\/afternoon-pm2.5-monitoring-in-delhi-300x214.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-13792\" class=\"wp-caption-text\">A concentra\u00e7\u00e3o de PM2.5 no ar ambiente \u00e0s 12h30.<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">Fizemos a segunda leitura \u00e0s 12h30.<\/p>\n<p style=\"text-align: justify;\">A visibilidade havia piorado. A concentra\u00e7\u00e3o de PM2.5 no ar ambiente era de 368 microgramas por metro c\u00fabico. Come\u00e7amos a sentir falta de dentro de casa assim que sa\u00edmos. Assim que terminamos, corremos de volta para dentro.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Um_prumo_respiravel\"><\/span>Um prumo respir\u00e1vel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_13795\" aria-describedby=\"caption-attachment-13795\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13795 size-full\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2020\/10\/evening-pm2.5-monitoring-in-delhi.jpg\" alt=\"Evening concentration of PM2.5 in the ambient air in Delhi\" width=\"700\" height=\"500\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/10\/evening-pm2.5-monitoring-in-delhi.jpg 700w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/10\/evening-pm2.5-monitoring-in-delhi-300x214.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-13795\" class=\"wp-caption-text\">A concentra\u00e7\u00e3o de PM2.5 no ar ambiente \u00e0s 17h30.<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">A noite trouxe literalmente uma lufada de ar fresco.<\/p>\n<p style=\"text-align: justify;\">Fizemos a leitura \u00e0s 17h30. O ar estava melhor do que est\u00e1vamos respirando desde a manh\u00e3. A vista era moderadamente vis\u00edvel. A concentra\u00e7\u00e3o de PM2.5 no ar ambiente era de 90 microgramas por metro c\u00fabico.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Infelizmente_De_novo_nao\"><\/span>Infelizmente! De novo n\u00e3o.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_13796\" aria-describedby=\"caption-attachment-13796\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13796 size-full\" src=\"https:\/\/www.pranaair.com\/wp-content\/uploads\/2020\/10\/night-pm2.5-monitoring-in-Delhi.jpg\" alt=\"Night concentration of PM2.5 in the ambient air in Delhi\" width=\"700\" height=\"500\" srcset=\"https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/10\/night-pm2.5-monitoring-in-Delhi.jpg 700w, https:\/\/www.pranaair.com\/blog\/wp-content\/uploads\/2020\/10\/night-pm2.5-monitoring-in-Delhi-300x214.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-13796\" class=\"wp-caption-text\">A concentra\u00e7\u00e3o de PM2.5 no ar ambiente \u00e0s 21h30.<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">Fizemos a \u00faltima leitura \u00e0s 21h30.<\/p>\n<p style=\"text-align: justify;\">A concentra\u00e7\u00e3o de PM2.5 no ar ambiente era de 290 microgramas por metro c\u00fabico.<\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Conclusao\"><\/span>Conclus\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Todas as leituras estavam mais ou menos sincronizadas com os dados do site do PCCB.<\/p>\n<p style=\"text-align: justify;\">A situa\u00e7\u00e3o \u00e9 preocupante. N\u00e3o podemos controlar o fen\u00f4meno da invers\u00e3o do inverno. No entanto, precisamos tomar medidas imediatas para limitar os fatores que podemos \u2013 as emiss\u00f5es.<\/p>\n<p style=\"text-align: justify;\">Precisamos monitorar e controlar o ritmo de nossas emiss\u00f5es que podem aumentar as concentra\u00e7\u00f5es de poluentes na atmosfera.<\/p>\n<p style=\"text-align: justify;\">A \u00e9poca festiva est\u00e1 ao virar da esquina. Precisamos garantir que comemoramos de uma maneira que n\u00e3o exacerbe a situa\u00e7\u00e3o de polui\u00e7\u00e3o.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea observou alguma mudan\u00e7a na visibilidade externa ultimamente? Voc\u00ea sente irrita\u00e7\u00e3o no nariz e na garganta sempre que sai de&hellip;<\/p>\n","protected":false},"author":6,"featured_media":67516,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[400,499,409],"tags":[615,401,616,617,618,619],"class_list":["post-67515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-pollution-pt-pt","category-article-pt-pt","category-outdoor-air-quality-pt-pt","tag-air-contaminants-pt-pt","tag-air-pollution-pt-pt","tag-air-pollution-in-delhi-pt-pt","tag-air-quality-pt-pt","tag-delhi-pollution-pt-pt","tag-outdoor-air-pollution-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>Cuidado! 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