Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily more accurate.

Toxic chemicals from L.A.'s fires are going underreported and pose serious long-term risks, a group of lawmakers says. They ...

On Sunday at 11:55 a.m. an updated air quality alert was issued in effect until Monday at noon. The alert is for San ...

The infernal blazes burning in Southern California are raising concerns about the potential airborne hazards they may be ...

While there has been a growing crisis in insurance for years, the scale and scope of the Los Angeles wildfires brings the ...

As people return to the structures spared from Los Angeles wildfires, experts warn that they should be careful of the air inside and be especially cautious when cleaning up. Smoke, ash and all the ...

LOS ANGELES — Disaster is in the air. It clouds the skies, it sears the eyes, it lodges in the lungs. Most of all, it weighs on the heart. For those who have lost it all, the pain is acute.

In Los Angeles, People Snap up Air Filters and Wear Masks Against Smoke Pollution LOS ANGELES (AP) — With levels of sooty air pollution far too high across swaths of the Los Angeles area ...

Los Angeles residents will have to cope with the effects of smoke-related unhealthy air, the Los Angeles County Health ...

an air pollution expert at the University of California, Los Angeles. "They don't have the spatial density or indeed sometimes the temporal density to tell us what's really happening on the kind of ...

Impacts of the LA fires on the the Latino community – the country's largest by percentage – are acute and will be long ...

On Wednesday at 3:18 p.m. an updated air quality alert was issued valid until Thursday at 6 p.m. The alert is for Ventura County Beaches, Ventura County Inland Coast, Central Ventura County Valleys ...