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

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

As San Luis County's Madre Fire rips through California, air quality warnings are now being issued for nearby areas, ...

Los Angeles County is included in an air quality alert reported by the National Weather Service on Thursday at 2:43 p.m. The ...

The Los Angeles County Public Health Department warned of excessively high bacteria from street runoff at eight beaches.

At 2:43 p.m. on Thursday, the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Saturday at 11 p.m. The ...

Journalists investigated the hazards that homeowners in Los Angeles faced, even if their houses were left standing after the ...

Freeway north of LA is under an air quality alert which was reported by the National Weather Service on Thursday at 2:43 p.m.

Electric cars are increasingly common due to their potential environmental benefits, but a new study suggests that high ...

Shortly after the fires, the environmental nonprofit Heal the Bay and water quality officials gathered sand and water samples ...

A deepening labour shortage is gripping the US economy—not from lack of jobs, but due to a declining influx of immigrant ...

Soham Parekh, an Indian engineer, faces accusations of moonlighting at multiple US startups, sparking a heated debate in ...