The chemical composition of the smoke and ash in Los Angeles right now is different from forest fire smoke, which is plenty toxic on its own, said Lim. The more than 40,000 acres that have burned ...

Along with the wildfires, residents must deal with other hazards: smoke and ash. Smoke is made of tiny particles. Smoke particles 2.5 micrometers or smaller in size—known as PM2.5—are ...

Health officials are again warning the public to take precautions as Santa Ana winds are expected to spread ash and dust from ... Experts say that wildfire smoke is unsafe for everyone and that ...

"However, ash particles are typically visible to the naked eye either in the air or on outdoor surfaces." Experts say wildfire smoke is unsafe for everyone and all area residents should be worried ...

Homes a few doors away burned down, she said. Now in her second week at a West Covina hotel, she’s able to think about the damage smoke and ash have caused inside her home and how her family ...

LOS ANGELES (KABC) -- In some areas where evacuation orders are being lifted, people are returning to homes covered in ash and soot. Inside, it's likely going to smell like smoke. Some of that ...

The fires raging in Los Angeles have destroyed thousands of structures, and the death toll is rising. Along with the wildfires, residents must deal with other hazards: smoke and ash. Smoke is made of ...

The smoke and ash can blow under doors and around windows in nearby homes, bringing in chemicals that are absorbed into furniture, walls and other indoor surfaces and continue off-gassing for ...