Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires. As fires burned tens of thousands of acres across Los Angeles County, officials ...

The midair collision at Reagan National Airport on Wednesday night has presented Sean Duffy with a major crisis just hours after he was sworn in as secretary of transportation.

After a week of smoke, ash and flames, officials with Cal Fire San Diego announced Thursday that the Border 2 Fire, located in the Otay Mountain Wilderness Area, is now 100% contained.

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

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

An air quality alert was issued on Thursday at 3:31 p.m. in effect until Friday at 7:15 a.m. The alert is for Burke Mountains ...

In Cincinnati’s low-income neighborhoods, breathing is not just a natural act—it’s a health hazard. Local experts say ...

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

A jet with 60 passengers and four crew members collided with an Army helicopter while preparing to land at Ronald Reagan ...

Authorities say everyone aboard an American Airlines jet that collided with Army helicopter while landing at Ronald Reagan ...

Don’t think that AI is irrelevant to the car market. While it’s quite fun to tease these companies for their confused, ...