Dhaka ranks worst again in Air Quality Index

Bangladesh’s capital Dhaka ranked the worst in Air Quality Index (AQI) on Saturday.

The independent live air-quality index monitor, Air Visual, shows Dhaka’s AQI value as 305 around 8:10am.

Thailand's Chiang Mai followed Dhaka with an AQI value of 182 while Vietnam's Hanoi and Mongolia's Ulaanbaatar stood third and fourth in the list of poor air cities with AQI values 171 and 170 respectively.

Earlier, Dhaka topped the worst air city list on 9, 14, 18, 19, 24 and 25 February. It had also ranked the worst on 17 and 23 November, 26 December and 6, 29, 31 January.

The city has been continuously staying within the five most polluted cities around the world.

The AQI is a tool for measuring daily air quality of any city or country. It refers to the degree of pollution or cleanliness.