Dhaka, Nov. 26 -- Dhaka's air quality continued to be in the 'unhealthy' zone on Saturday (November 26, 2022) morning.

With an air quality index (AQI) score of 169 at 9am, Dhaka ranked fourth in the list of cities around the world with the worst air quality.

Dhaka AQI and Air Pollution

An AQI between 101 and 200 is considered 'unhealthy', particularly for sensitive groups.

Pakistan's Lahore, India's Delhi and Kolkata occupied the first, second and third spots in the list, with AQI scores of 467, 243 and 179, respectively, reports UNB.

An AQI between 201 and 300 is said to be 'poor', while a reading of 301 to 400 is considered 'hazardous', posing serious health risks to residents. In Bangladesh, the AQI score is based on five kinds of...