Thousands of farmworkers labored in fields in Ventura County, Calif. in late January in wildfire smoke. They have little to no protection from its harmful effects.

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

Reps. Laura Friedman, D-Burbank, and Judy Chu, D-Pasadena, were joined by Reps. Brad Sherman, D-Sherman Oaks, and George ...

Southern California wildfires have spurred smoke advisories by authorities and contributed to hazardous air quality ...

exacerbating the existing issue of Southern California's generally bad air quality. Already known for having some of the worst air quality in the U.S., people in the area are now also at risk of ...

Recent data from the Environmental Protection Agency shows air quality in certain regions of the U.S. is deteriorating, ...

The air quality index (AQI) in many LA regions looks good, but that doesn't mean the air is safe. Why it matters: The AQI in your weather app doesn't account for all pollutants caused by wildfires.

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

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

Athena Cheris, asst. life+arts editor, explains why the AQI index may not tell the whole story of air quality in Los Angeles.