A wind-blown dust advisory is in place for parts of Southern California as air quality is predicted to worsen on Friday.

Smoke advisories remain in effect in Southern California due to three major wildfires that started earlier this month.

Black and Latino communities in California breathe the dirtiest air despite state policies that restrict vehicle emissions, ...

Mesquite, Nevada and Scenic, Arizona, which sit across the state line from each other about 80 miles northeast of Las Vegas, ...

The EPA’s OK of the Warehouse Indirect Source Rule means the agency and others can sue warehouses for not complying with the ...

A group of researchers measured exposure to vehicle air pollution in California and examined which populations were most ...

Although fine particle pollution has decreased statewide, researchers say historically disadvantaged communities still face ...

Multiple wildfires burning north of San Diego County have prompted the National Weather Service to issue an air quality alert ...

California enacted the nation's first vehicle emissions standards in 1966, four years before the federal Clean Air Act, and has continued to lead the U.S. in air quality policy.

Las Vegas is dealing with smoke and haze pushed into the area by fires in Southern California Wednesday morning. The Bridge ...

Plumes of smoke from Southern California’s fires blew across Big Bear on Sept. 11, causing local air quality meters to return off-the-chart readings for particulate pollution. Officials report ...

Black and Latino communities in California breathe the dirtiest air despite state policies that have successfully restricted vehicle emissions, according to a study. The study, published in ...