Dhaka ranked topped the list of cities worldwide with the worst air quality with an AQI score of 190 at 9:02 am on Friday morning.
The air was classified as “unhealthy,” according to the air quality index.
Pakistan’s Lahore, Senegal’s Dakar, Kazakhstan’s Astana and India’s Delhi occupied the second, third, fourth and fifth spots on the list, with AQI scores of 183, 171, 169 and 169 respectively.
An AQI between 151 and 200 is considered “unhealthy” while 201-300 is “very unhealthy” and 301+ is considered “hazardous,” posing severe health risks to residents.
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.
The AQI in Bangladesh is based on five pollutants: particulate matter (PM10 and PM2.5), NO2, CO, SO2, and ozone.
Bd-pratidin English/Lutful Hoque
