In real time ranking, Dhaka stood at 10th place in the US Air Quality Index (AQI) measured at 9:31am on Friday. The AQI was developed by the Environmental Protection Agency for reporting daily air quality of any city or country. The air quality in Dhaka has been declining for years now. Department of Environment Director (air quality management) Md Ziaul Haque said that the quality would gradually improve during the monsoon. Brick kilns, vehicles run by fuels with higher level sulphur, as well as construction works have been identified as major sources of air pollution.

Source: Dhaka Tribune February 16, 2018 04:41 UTC