The air quality on Friday further deteriorated in Napal’s Kathmandu and reached alarming levels with the Air Quality Index (AQI) crossing the 301 mark to enter the 'hazardous' category ...

The air quality index is a scale used to measure how healthy the air is in a certain region. It has six categories, ranging from "good" to "hazardous." Air quality will be scored on a scale from ...

Dhaka, the overcrowded capital city of Bangladesh, has topped the list of cities with the worst air quality with an AQI index of 173 at 9:05am today (19 April). The air was classified as 'unhealthy', ...

Today’s air was classified as ‘unhealthy,’ referring to a growing health threat to residents, according to the AQI index ...