People coming to airports belong to different countries, cities and regions. Indira Gandhi International Airport is the 17th busiest airport in the world and 6th busiest airport in Asia by passenger traffic handling nearly 70 million passengers.
Air Quality Problems in Airport
Risk of coronavirus: People come from different locations and there are high chances of them bringing different viruses such as coronavirus. Direct link between CO2 level and virus transmission is seen as it is airborne and the most cost effective method to control transmission is to monitor CO2 levels.
Transmission of virus through HVAC system
Whenever an infected person sneezes, coughs or talks, the exhaled droplets containing virus can enter the air ducts and infection might spread to everyone in the building through the circulation of contaminated air.
Several machines are there in airports used by everyone travelling and this increases chances of surface contamination.
Emissions From Grounded Aircrafts
Dust (Particulate Matter): It is a mixture of solid particles and liquid droplets. PM contains dust, dirt, soot and smoke. During takeoffs and landing of aircrafts, PM is released. Construction activities increase dust emissions.
Carbon Monoxide: It is produced whenever fuels are burned at high temperature or when less oxygen is there.
Nitrogen Oxides: These are released with ground aircraft traffic, aircrafts and airport operations. At high altitudes NOx increases concentration of ozone.
VOCs: Regular construction activities at airports release high concentrations of VOCs. Several emergency and fire training involve use of complex chemicals which releases VOCs. Painting and metal cleaning of aircrafts releases VOCs.
Ozone (O3): Photochemical reactions between NOx and VOCs at ground level can increase ground level of ozone.
HCHO: It is colorless gas having strong smell and is released majorly from wood products such as table, boards, ply-woods, chairs, stools etc during renovations and constructions.
Carbon Dioxide: It is the product of complete combustion of hydrocarbon fuels such as gasoline, jet fuel, and diesel. Higher CO2 levels show that the area is poorly ventilated. The major problem within the closed spaces is the number of people or occupancy.
Sulfur Oxides: Sulfur oxides are produced when small quantities of sulfur, present in essentially all petroleum fuels, combine with oxygen from the air during combustion & it contributes to secondary particulate matter formation.
Parking Garages: They are generally built underground and upper grounds sometimes. They are seen with high emissions of CO, smoke, VOCs, NOx, CO2 depending upon the number of vehicles.
Sewage treatment Plants: This is the major source of hydrogen sulfides and pathogens. High emission of hydrogen sulfides can cause AC gas leakage, corrosion to electronic appliances and impact human health. Sewage contains bacteria, viruses and mold growth.
Noise and Temperature: Aircraft engine produces the noise level up to 140 dB which is more than normal and releases heat upon fuel combustion.
Food Courts: The chimneys installed act as exhaust for indoor emissions, but people are continuously exposed to pollutants like VOC, NO2, CO, HCHO and PM
Washrooms: It is the moist area which promotes bad odor, growth of bacteria, viruses, mildew, molds and other biological infections.
With the increasing toll of indoor air pollution and its significant impact on human health, Prana Air provides a wide range of services and solutions for air quality monitoring. The services include Air Quality Monitors and PCO cell based Air Sanitizer.
Air Quality Monitors
It helps you to know the quality of air present. Monitors are installed with special sensors that continuously monitor the concentration of parameters like particulate matter, carbon dioxide, HCHO, tVOCs. They are cost effective and easily portable. Monitors the key parameters in Real-time that are in sync with LEED, WELL and ASHRE and monitors parameters like PM10, PM2.5, PM1, CO2, TVOCs, HCHO, CO, temperature and humidity.
PCO Cell Based Air Sanitizer
The sanitizer is based on Photocatalytic Oxidation technology which combines UV-C irradiation with a catalyst and removes the harmful biological contaminants such bacteria, virus, fungi & mold, and spores in a time span of less than 24 hours with efficiency rate of 99.99%.
It is capable of killing SARS-COV-2 virus through molecular dissociation. Molecular dissociation kills the pathogen at its genomic level and is an irreversible change.
HOW THESE SERVICES CAN HELP AIRPORTS?
Airport is the first stop for any foreigner while visiting the country and the quality of air they experience creates an impression. Good air quality at the airport will leave a good impression on tourists.
Airports have different departments with huge staff and they are continuously exposed to indoor air quality pollutants. Monitoring will help to keep continuous check on the quality of air staff is breathing and how they are impacted with bad AQI.
– Lower the chances of asthma, Cardiovascular Obstructive Pulmonary Disease, emphysema & other health impacts on travellers caused by bad air quality.
– Gives real time air quality in less time. Reduces process time that involves manual methods such as gravimetric for parameter analysis.
– Helps old people to breathe quality air and reduces their discomfort.
– Low maintenance cost as fresh air machines are installed in pre-constructed and newly constructed premises.
– Reduces impact of bad air quality on tree vegetation, plants photosynthesis and other flora fauna near airport areas.
– Reduces socioeconomic impact on public health, safety, infrastructure and employment.
– Monitoring helps to keep a continuous check on pre-installed Air handling Units at airports.
– CO2 monitoring helps in reducing transmission of covid-19.
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It is very crucial to monitor air quality in hotels because it directly impacts the experience of guests and occupants. Suffocation, bad odor, breathing difficulties, etc., are all signs of bad air quality in hotels.
Air quality around can have negative as well as positive impacts on residents. Poor AQI causes suffocation, asthma, eyes, nose & throat irritations, etc. To promote well-being of residents, monitoring of air quality is beneficial.
Air Quality Data on Air Conditioner
The major pollutant in rooms with air conditioners is CO2 as all the doors and windows are closed with moderate occupancy. Monitoring can help them in adopting some preventive measure to improve indoor air quality and reduce negative health impacts.
In today’s era, smart phone is like 207th human bone without which nobody can function. The access to air quality data on smart phones can help people in identifying the areas having poor AQI along with the concentration of pollutants.