Dr. Barbara Ferrer said residents should assess their homes for soot, ash and smoke contamination before settling back in.

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 ...

Even with thick smoke coming from the Hughes Fire, skies have been clear in many areas, and the air quality forecast has been ...

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

As hazardous chemicals pollute the air after devastating wildfires, officials call for increased monitoring to protect ...

Wildfires like those in Los Angeles that destroy urban structures release toxic chemicals, including lead, into the air.

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

"This is our Hurricane Katrina—an epochal disaster that's changing Los Angeles," said Dr. David Eisenman, whose research ...

Multiple wildfires have been burning in the Los Angeles area since the first one erupted on Tuesday, Jan. 7. Here's ...

When a fire burns in an urban area, it unleashes a slurry of chemicals. Scientists are trying to understand the chemistry at ...

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