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

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

Nearly two weeks after the Eaton fire forced Claire Robinson to flee her Altadena home, she returned, donning a white hazmat ...

No elevated levels for any type of air toxics were detected in the burn areas of Altadena and Pasadena, the South Coast Air Quality Management District reported on Friday, Feb. 7. The AQMD found near ...

ProPublica analysis of the EPA’s Risk Screening Environmental Indicators model After computing the average cancer risk estimates, we wrote an algorithm to identify toxic “hot spots,” defined ...

Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — poses additional risks to public health.

So the agency added a disclaimer above the map: “Windblown ash particles may be too large to be detected by air quality instrumentation and not reflected in the Air Quality Index (AQI) map ...

contaminants from the structures they’ve destroyed — some of them potentially containing toxic materials — could linger in the air and pose uncertain health hazards. While just how many ...

A toxic soup of smoke, chemicals and particulate matter is being spread across the city by gusty winds. Here's what to look for in an air purifier.

The smoke may be temporary, but toxic air pollution is an ever-present danger with effects that linger for generations. Historically, the image of West Coast firefighters is battling large forest ...

Five new compounds soon will be listed as priority toxic air contaminants in Colorado and, over the next two years, the state’s Department of Public Health and Environment and Air Quality ...