Many factors impact air quality in the Los Angeles metropolitan area including particulate pollution from vehicles, factories, refineries, household combustibles and wood burning. Other common ...

Latino communities across California are disproportionately affected by extreme heat and air pollution, research has shown.

A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air near the U.S.-Mexico border in San Diego County.

Los Angeles has struggled with air pollution problems since before smog became a term. In 1943, smog covered the city so thickly that residents thought they were under a chemical attack.

The American Lung Association released a report earlier this year that found California’s now-dormant rules could have ...

President Donald Trump revoked California’s nation-leading electric vehicle sales rules in a White House ceremony last week, ...

Air quality regulators in Southern California are debating proposed rules that would curb harmful emissions from gas-powered furnaces and water heaters. The rules being discussed Friday aim to ...

Residents across the Los Angeles Basin and surrounding regions may notice low-flying aircraft maneuvering over urban centers ...

The mission will also include missed approaches at local airports and low-altitude runway flybys to gather air samples close ...