hundreds of pollution sensors, and forecast models to provide real-time air quality index (AQI) readings for more than 1,000 locations. Los Angeles’ air quality is closely tied to weather patterns.

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

Toxics in the air from urban wildfires may include dioxins, asbestos, and lead. But testing, until recently, for these air ...

Smoke from the recent Los Angeles wildfires poses a host of well ... But the effects of air pollution on the brain are only beginning to be widely recognized. In a recent study, researchers ...

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

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

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 ...

An air quality alert was issued on Friday at 12:06 p.m. in effect until Saturday at 12:15 p.m. The alert is for San ...

The blazes that began on Jan. 7 charred thousands of buildings, cars and electronics across the Los Angeles area, creating ...

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 ...