An air quality advisory has been issued for Friday in the Santa Clarita Valley and other areas of Los Angeles due to smoke ...

Smoke often impacts the air quality during fire season, and we heard from the Shasta County air quality district manager ...

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

Smoke from all fires is filtering into the Imperial Valley, affecting the local air quality. The National Weather Service says to expect the smoky, hazy air into the weekend. Air Quality in Imperial ...