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 ...

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 ...

But they knew that where there was smoke, there was also ash. And data to collect. The 209-foot boat, the Reuben Lasker, changed course and piloted toward Manhattan Beach, California.

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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 ...

"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 ...

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Yet even in areas that aren’t burning, plumes of smoke remain a serious and ongoing public health threat—especially as the region braces for dangerous winds that could fuel the spread of ash ...