The heatwave that brought 100-degree temperatures to the Philadelphia region in June also brought warnings that the air quality was unhealthy for sensitive groups. This was not a coincidence.

A regional air quality alert was issued for much of Southern California as harmful levels of fine particle pollution spread ...

Although there is not yet enough data to document chronic exposure, readings taken in South County indicate cause for concern ...

MIchigan's air quality will be unhealthy for some groups Saturday. Check the air quality index map to see if it's good or bad ...

A Memphis city government's air quality test found that the air pollution near Elon Musk's xAI data center isn't a threat.

Smoke from the Madre Fire in San Luis Obispo County could potentially bring poor air quality to the High Desert over the July ...

The U.S. has one of the world’s most advanced systems to monitor air pollutants. Can it keep up with a changing climate?

It’s been a relatively quiet wildfire season so far in the Pacific Northwest, with not much in the way of large fires or ...

EDT the National Weather Service reported an updated air quality alert for St. Clair, Livingston, Oakland, Macomb, Washtenaw, ...

Officials with the Arkansas Department of Energy and Environment and the Division of Environmental Quality (DEQ) have issued ...

Fourth of July fireworks could prompt hazardous air quality across parts of Southern California this weekend, authorities ...

Dhaka, the overcrowded capital city of Bangladesh, has ranked 23th on the list of cities with the worst air quality with an AQI score of 81, Qatar's Doha 96 and Saudi Arabia's Riyadh 91 at 9:04am this ...