UNB reports, in Bangladesh, AQI is based on five criteria pollutants – Particulate Matter (PM10 and PM2.5), NO2, CO, SO2 and Ozone.
Dhaka has been grappling with the problem of air pollution for a long time. Its air quality usually turns unhealthy in winters and improves during monsoons.
Air pollution consistently ranks among the top risk factors for death and disability worldwide.
According to several studies, breathing polluted air has long been recognized as a possibility of developing heart disease, chronic respiratory diseases, lung infections and cancer.
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