Dhaka, Feb. 26 -- Dhaka ranked the third on the list of cities with the worst air quality on Wednesday morning.

Today's air was classified as 'very unhealthy' with an AQI score of 217 at 8:40, referring to a severe health threat to residents, according to the AQI index.

Today's air quality worsened compared to yesterday, as it marked an increase of AQI score of 30, according to a UNB report.

When the AQI value for particle pollution is between 50 and 100, air quality is considered 'moderate', usually sensitive individuals should consider limiting prolonged outdoor exertion, between 101 and 150, air quality is considered 'unhealthy for sensitive groups', between 150 and 200 is 'unhealthy', between 201 and 300 is said to be 'very unhealt...