Dhaka, the overcrowded capital city of Bangladesh, has ranked second for the second straight day on Thursday on the list of cities with the worst air quality with an AQI score of 223 at 10:10am.   Dhaka’s air was classified as ‘very unhealthy’ referring to an alarming healthy threat, according to the AQI index. When the AQI value for particle pollution is between 50 and... Details