Among the list of cities worldwide with the worst air quality, Dhaka ranked third on Friday morning (Feb 2).
According to the air quality index, The air quality of Dhaka continued to be in the 'unhealthy' zone with an air quality index (AQI) score of 187 at 8:30 am.
Vietnam’s Hanoi ranked 1st and Sarajevo of Bosnia Herzegovina ranked 2nd on the list, with AQI scores of 257 and 208.
However, an AQI between 101 and 200 is considered 'unhealthy', while an AQI between 201 and 300 is called to be 'poor', on the other hand, a reading of AQI 301 to 400 is considered 'hazardous', posing serious health risks to residents.