The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.

Tuesday, 5:30 p.m. PST Los Angeles County public health officials issue closures of several miles of beach near the Palisades ...

Updating maps of Southern California show where wildfires, including the Palisades, Eaton and Hughes fires, are burning ...

The deadly Palisades and Eaton wildfires have finally been 100% contained — more than three weeks after they broke out in Los ...

Southern California's Palisades and Eaton fires reach 100 percent containment, with 29 dead and over 16,000 structures ...

Starting on Jan. 7, our screens became filled with harrowing images of the California wildfires. Near-dystopian videos of ...

So far, many clues to the origins of the deadly Eaton fire, which started in the area just after 6 p.m. that evening and went ...

A UCLA report estimates $75 billion in insured losses alone, far more than the next four most destructive California ...

Deadly wildfires around Los Angeles in January reduced thousands of acres to ash but a picture of a burnt cat that spread ...

An image showing a house with blue-colored roofing with its surroundings on fire is likely AI-generated, experts said, ...

More than 30 artists, including Olivia Rodrigo, Rod Stewart, Dr. Dre and Joni Mitchell, performed at the benefit concert on ...