Dhaka still continues to rank among the most polluted city in the world.
Bangladesh capital Dhaka ranked third in the US Air Quality Index on Wednesday.
According to the US Air Quality Index, Dhaka scored 225 at 9am, classified as “ very unhealthy.”
The index was developed by the Environmental Protection Agency for reporting daily air quality of any city or country.
Afghanistan's capital Kabul and Pakistan’s Lahore occupied the two top spots with individual scores of 264 and 240, respectively, according to data obtained from AirVisual, a smartphone application that shows real-time air pollution index of any city.
Bangladesh, one of the most densely-populated countries in the world, has been struggling with air pollution for a long time. Dhaka has continued to rank among the most polluted cities.
Brick kilns, vehicles run by fuels with high-level sulphur, and construction work have been identified as major sources of air pollution.
The air quality further declines during the dry months – from October to April – but improves in the monsoon.
The situation is very serious, experts say, pointing out that five of the top 10 causes of deaths in Bangladesh are related to air pollution.