An AQI between 51 and 100 is considered ‘moderate’, between 101 and 150 is considered ‘unhealthy’, and between 201 and 300 is said to be ‘very unhealthy’, while a reading of 301+ is considered ‘very unhealthy’. considered ‘dangerous’, which creates a serious situation. Health risk to residents.
In Bangladesh, the 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.
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