Dhaka, Oct. 31 -- Dhaka, the overcrowded capital of Bangladesh, ranked 27th among cities with the worst air quality, recording an AQI score of 76 at 8:25 am on Friday.

According to the Air Quality Index (AQI), the city's air was classified as 'moderate' at that time.

Pakistan's Lahore, India's Delhi, and Kuwait City topped the list with AQI scores of 443, 176, and 168, respectively.

An AQI between 50 and 100 is considered 'moderate' with acceptable air quality 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 unhealthy', while a reading of 301+ is c...