Twelve Texas counties have recently exceeded federal air quality standards for particulate matter, commonly known as soot.

As Santa Ana wind conditions continue to stoke fears of resurgent wildfires across Los Angeles, health officials are warning ...

An interview with Stephen Ladochy, a professor emeritus at Cal State L.A. who specializes in climatology, addresses the ...

The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...

I've lived in Oregon for a decade, meaning I've experienced multiple wildfire seasons. You learn quickly, in these conditions ...

Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds. See an air quality map.

Wildfires in Los Angeles County continued to burn on Monday, January 13, 2025, as firefighters worked to contain portions of ...

Arizona is the only state with 'unhealthy' air quality. Part of it stems from our geography, but part also comes from our ...

Smoke from the wildfires can wreak havoc on your health. Here are tips to stay safe.

Smoke from wildfires — like the ones in Los Angeles — can have health consequences. Here's what experts expect.

LOS ANGELES — Massive wildfires burning in the Los Angeles area have filled the air with a thick cloud of smoke and ash, ...