However, when wildfires begin consuming homes and businesses, the ash is made up of much more toxic materials. This can have ...

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 ...

Urban ash from the California wildfires that has settled across the state has now been found more than 100 miles offshore.

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, ...

Officials are warning of windblown ash and other pollutants from Los Angeles-area fires and say air quality readers won't pick up on the ash pollutants.

"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 ...

"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 ...

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.