Air pollution is widely recognized as a major threat to public health, and while air quality data is widely available, the ...

Ozone is a gas comprised of three oxygen (O3) atoms. It is unstable and reacts easily to other gases. In its natural state, it is a component in several levels of the atmosphere. At high altitudes ...

Delhi’s air quality improved to the “moderate” category even as light rain was likely late on Wednesday night and on Thursday ...

Chet Wayland was behind development of the Air Quality Index, a popular and color-coded ranking tool and modeling key to ...

Gurgaon: After staying four days in ‘poor' and ‘very poor' categories, air on Wednesday improved to ‘moderate' with an air ...

People in Laos are increasingly concerned about being exposed daily to unhealthy levels of PM2.5, fine particulate matter in ...

If you were on social media last week or checked the Minnesota Pollution Control Agency website, you may have noticed an air quality alert was issued for parts of Minnesota, including McLeod and ...

The air quality index (AQI) was recorded at 304, marking a sharp rise from the previous day's index of 214. The last time the ...