"Air quality can vary by hour and location depending on wind conditions," said an air pollution control agency.

On Sunday at 12:44 p.m. the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Monday at 10 a.m. The alert is for Eastern Santa Monica Mountains Recreational area, Los Angeles, ...

President Trump's administration, with help from the Republican-led Congress, may pull the state's ability to set its own ...

The South Coast AQMD issued a windblown dust advisory for the Coachella Valley area through Monday as the air quality is forecasted to worsen.

Residents in Monterey County, California, are being urged to close their windows after a fire broke out at the Vistra Energy ...

Eastern Santa Monica Mountains Recreational area, Los Angeles County Beaches, Malibu and Palos Verdes Peninsula are included in an air quality alert reported by the National Weather Service on Sunday ...

Trump challenges California’s zero-emission mandates, pushing Congress to review EPA waivers that back the state’s stricter ...

Several climate-focused programs in County got EPA grants last year. Now their leaders are nervous about the future of their ...

Scientists are unraveling the complex factors that go into indoor air quality and how indoor air pollution and airborne ...

After suppression of Indigenous cultural burning, the state agrees Northern California's Karuk Tribe may practice the burns ...

The South Coast AQMD, a regulatory agency responsible for improving air quality around SoCal, is expected to place five ...

The recent wildfires in Altadena and Pacific Palisades have been contained, but wildfire impact on air quality is something ...