DHAKA, May 8 -- With an AQI score of 68 at 9:10 am this morning, Dhaka dwellers saw some improvement in air quality.

Dhaka's air was classified as 'moderate' today, according to the air quality index.

Pakistan's Lahore, Indonesia's Jakarta and Vietnam's Hanoi occupied the first, second and third spots on the list of cities worldwide with worst air quality, with AQI scores of 242, 169 and 160 respectively.

Rains likely to drench Dhaka, six other divisions in 24 hours

When the AQI value for particle pollution is between 50 and 100, air quality is considered 'moderate', 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', w...