On Wednesday at 2:12 p.m. an air quality alert was reported by the NWS San Diego CA in effect until Sunday at midnight. The ...

At 1:58 p.m. on Wednesday, the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Saturday at 11 p.m.

Canadian researchers find that fine particle pollution (PM2.5) can cause hidden heart damage, challenging current air quality ...

Skies over metro Phoenix were hazy and gray Tuesday morning. Here's what is causing poor air quality in Phoenix and when it ...

Two wildfires burning in Southern California are causing dangerous smoke impacts for more than 320,000 people.

MRI evidence shows modest urban haze stiffens heart tissue, marking air pollution as a stealth cardiac saboteur beyond traditional risks like smoking.

Native Americans face highest risk for heart failure from metals…multiple health dangers tied to wildfire smoke…public trust ...

Coastal areas in Orange County will see highs in the low to mid 70s, paired with a cool sea breeze during the afternoons.

Heat waves are primarily caused by high-pressure systems that push warm air down onto an area and hold it there. During heat ...

Two NASA aircraft will carry out low-altitude flights and maneuvers over the L.A. Basin, Central Valley and Salton Sea ...