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.

Phasing out vehicles based on age is not enough. It is important to improve their fuel and emission standards; Plan lacks ...

Los Angeles and much of Southern California were met with a regional air quality alert on Saturday, following July 4th festivities.

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

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

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 ...

Poor air quality caused by ozone and other sources prompted the warnings across six states on Thursday and Friday.

An air quality alert was issued Thursday by the National Weather Service for the entire Chicago area through Friday night.

Breathing polluted air—even at levels considered “safe”—may quietly damage your heart. A new study using advanced MRI scans found that people exposed to more air pollution showed early signs of ...

The Arizona Department of Environmental Quality “is reviewing EPA’s order and intends to respond to the order and revise the permit” within the 90-day limit set by the federal Clean Air Act ...

St James's, England, United Kingdom warning53 °F Rain gps_fixed settings Elev 75 ft, 47.48 °N, 122.2 °W Renton, WA Air Quality & Pollen star_ratehome 39 Maplewood Station | Change Current Station ...