Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires.

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

In the wake of the Palisades and Eaton fires, concerns about air quality across the county have been on the rise.

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...

With the return of the strong Santa Ana winds in Los Angeles County, the air quality will be changing quickly, especially for ...

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

Dust and ash left behind from the wildfires across Southern California can be irritating and hazardous when inhaled.

Air quality for a large portion of Los Angeles County has reached the very unhealthy Air Quality Index (AQI) category due to ...

Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, closed-toed shoes and cut-resistant gloves. Clean or decontaminate anything ...