This disposable P100 mask by 3M is approved by the National Institute for Occupational Safety and Health and promises to ...

But Griselda Ellez, who picks leeks in California’s Ventura County, said she had no option but to continue working, even as ...

Thousands of farmworkers labored in fields in Ventura County, Calif. in late January in wildfire smoke. They have little to ...

Each fire’s impact could depend on what was burning, for how long, and levels of public awareness, researchers hypothesize.

What we’re really worried about is the PM2.5 levels,” or the fine particles in wildfire smoke, which have a diameter of less than 2.5 micrometers. In order for particles to enter your lungs’ air sacs, ...

With Los Angeles still reeling from the devastating Palisades and Eaton fires, a new report on California blazes from earlier ...

The morning of Jan. 7, Dr. Reza Ronaghi and his wife, Nasim, left their home in California's Pacific Palisades with the clothes on their backs and work on their minds.

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

Wildfire smoke contains small particles ... “N95” or “P100” printed on them. These masks can also be worn inside a home if needed. Eye protection may also be necessary if outside.

Children with pre-existing health conditions such as allergies and asthma may be at higher risk when it comes to wildfire smoke exposure, according to the Environmental Protection Agency.

The L.A. wildfires have ... by an Environmental Protection Agency-sanctioned air monitor in Los Angeles County in more than four years — only outmatched by clouds of smoke from Fourth of July ...