Dhaka's air most polluted in the world

Dhaka has topped the list of cities with the worst air quality with an AQI index of 257 at 09:31 am on Saturday, reports UNB.

The air was classified as 'very unhealthy', according to the air quality and pollution city ranking. An AQI between 151 and 200 is considered 'unhealthy' while 201-300 is 'very unhealthy' and 301-400 is considered 'hazardous', posing severe health risks to residents.

Pakistan's Lahore, China's Beijing and Uganda's Kampala occupied the second, third and fourth spots in the list respectively.

The AQI, an index for reporting daily air quality, informs people how clean or polluted the air of a certain city is and what associated health effects might be a concern for them.