This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...

The Air Quality Index in Delhi dropped to 999 over the weekend, making it the most polluted capital city in the world. While the safe limit set by the World Health Organisation is 25, anything ...

Patting itself on the back for a comparatively low Air Quality Index (AQI) graph on Diwali, the Bhopal Municipal Corporation (BMC) on Friday said that concerted efforts by the civic body responsible ...

Pune's air pollution level is deteriorating, with both PM10 and PM2.5 levels higher than the standard limit set by the ...

The air quality was worst at the Continuous Ambient Air Quality Monitoring Station (CAAQMS) in Sector 53, Chandigarh, which ...

It comprises two measures: the number of days with an air quality index below a certain threshold and the number of violation points against drinking water systems in each state. Learn more about ...