Dhaka, Feb. 15 -- Dhaka ranked second on the list of cities worldwide with the worst air quality, with an AQI score of 288 at 8:58am on Wednesday.
Dhaka's air was very unhealthy, posing serious health risks to residents, according to the Air Quality Index, reports UNB.
India's Kolkata and Delhi and Pakistan's Lahore occupied the first, third and fourth spots on the list, with AQI scores of 303, 273 and 217, respectively.
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.
The AQI, an index for ...