City Desk :
Dhaka’s air quality was marked “moderate” on Thursday morning due to rain in the capital city.
With an air quality index (AQI) score of 76 at 9 am, Dhaka ranked 26th in the list of world cities with the worst air quality.
An AQI between 0 and 50 is considered to be “good”while between 50 and 100 it is considered “moderate”.
Vietnam’s Hanoi, Indonesia’s Jakarta and Saudi Arabia’s Riyadh occupied the first three spots in the list, with AQI scores of 141, 140 and 126, respectively, reports UNB.
An AQI between 101 and 200 is considered “unhealthy”, particularly for sensitive groups.
Similarly, an AQI between 201 and 300 is said to be “poor'”, while a reading of 301 to 400 is considered “hazardous”, posing serious health risks to residents.
AQI, an index for reporting daily air quality, is used by government agencies to inform people how safe or polluted the air of a certain city is, and what associated health effects might be a concern for them.