Dhaka, Oct. 3 -- Dhaka, the overcrowded capital city of Bangladesh, has ranked 12th on the list of cities with the worst air quality with an AQI score of 87 at 11 am on Thursday.
Dhaka's air was classified as 'moderate,' referring to a light health threat, according to the AQI index. However, the air quality was marked 'good' on Wednesday under the influence of heavy rainfall, but it worsened, reports UNB.
When the AQI value for particle pollution is between 50 and 100, air quality is considered 'moderate', usually sensitive individuals should consider limiting prolonged outdoor exertion, 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 '...