The smoke may be temporary, but toxic air pollution is an ever-present danger with effects that linger for generations.

As crews work to clean up from the Los Angeles wildfires, city officials and residents are opposing the designation of a ...

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 ...

Two days of January wildfires in Southern California did not produce anywhere near as much CO2 as U.S. cars have emitted over ...

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 ...

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

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

Data reviewed by Caltech scientists found spikes of lead, chlorine and bromine in the air after the Eaton fire started.

In an unprecedented study, a public health agency estimates that exposure to fine particles and nitrogen dioxide causes tens ...

Air pollution is a well-known risk factor for respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD).