Dhaka, the densely populated capital of Bangladesh, ranked first among the world’s most polluted cities on Tuesday morning, recording an Air Quality Index (AQI) of 275 at 11:19am. The city’s air was classified as ‘very unhealthy’, indicating a serious health threat, according to the AQI report. The AQI, which reports daily air quality, informs residents how clean or polluted the air is and highlights potential health effects. Dhaka has long struggled with air pollution. Air quality usually deteriorates in winter and improves during the monsoon season.

Source: Dhaka Tribune February 03, 2026 09:30 UTC