Publish: 22 May 2020, 08:39 pm
The air quality of Dhaka displayed a significant improvement on Friday morning as it was ranked 69th worst in the Air Quality Index ( AQI).
It had an AQI score of 27 at 8:48 a.m. and its air quality was rated as 'healthy.'
India's Delhi, Pakistan's Lahore, and China's Beijing also filled the top three spots on the list of cities with the lowest air ratings of 198, 188, and 155, respectively.
When the AQI value is between 0 and 50, the air quality is good.
Dhaka usually ranks among the top 10 cities with worst air quality.
AQI, an index for the reporting of daily air quality, informs people how clean or polluted the air in a particular city is and what health effects may be of concern to them.
In Bangladesh, the AQI is focused on five pollutant criteria-Particle Matter (PM10 and PM2.5), NO2, CO , SO2 and Ozone.
Dhaka has long been grappling with air pollution. Its air quality usually improves during monsoon.