Michigan state regulators dismiss concerns about toxic waste site, citing low risk to residents and wildlife. Experts ...

The Maricopa County Air Quality Department wants to find out how much you know about high pollution advisories, no burn days ...

Nearly two weeks after the Eaton fire forced Claire Robinson to flee her Altadena home, she returned, donning a white hazmat ...

An advisory about fine particle air pollution from the highest-ranking physician in the United States would be a powerful ...

Researchers contributing to the ASCENT network of air quality sensors observed spikes in lead and chlorine downwind from the ...