Dhaka, April 20 -- Dhaka, the overcrowded capital city of Bangladesh, has ranked 11th on the list of cities with the worst air quality with an AQI index of 124 at 9am on Friday morning.
Friday's air was classified as unhealthy for sensitive groups, according to the air quality, reports UNB.
When the AQI value for particle pollution is 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 considered hazardous, posing serious health risks to residents. India's Delhi, Nepal's Kathmandu and Thailand's Chiang Mai occupied the first, second and third spots in the list, with AQI scores of 234, 181 and 175, respe...