Dhaka ranked third on the list of cities worldwide with the worst air quality, with an AQI score of 252 at 9:05am on Tuesday. Dhaka’s air was classified as 'very unhealthy', according to the air quality and pollution city ranking. Egypt’s Cairo, India's Delhi and India’s Kolkata occupied the first, second and fourth spots in the list, with AQI scores of 374, 290 and 210, respectively. An AQI... Details