An AQI between 101 and 200 is considered ‘unhealthy’, especially for sensitive groups, and an AQI between 201 and 300 is called ‘poor’, while a reading of 301 to 400 is considered ‘hazardous’. is released, causing serious health risks to the occupants.
The AQI, an index for reporting daily air quality, is used by government agencies to inform people how clean or polluted a certain city’s air is, and whether the associated health effects are of concern to them. There can be subjects.
In Bangladesh, the AQI is based on five criteria pollutants – particulate matter (PM10 and PM2.5), NO2, CO, SO2 and ozone.