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 ...

"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 ...

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 ...

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 ...

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 ...

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 ...

Smoke, ash and all the toxic chemicals that come with both can seep into even well-sealed homes and pose risks to health. “There’s a lot that has potentially happened to affect poor air ...

People with underlying lung or heart problems should limit their exposure by staying indoors. People who must work outdoors for long periods in areas with heavy smoke or where ash is present, should ...