Wildfire ash carries many carcinogens that could cause short- and long-term health problems, including asthma attacks and difficulty breathing.

Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds. See an air quality map.

Several parts of southern California are currently under windblown dust and ash advisories as deadly wildfires continue to burn. Here's how to protect yourself.

Air quality officials have issued smoke advisories for wide areas of L.A. County. L.A. Times reporter Karen Garcia spoke with Renee Eng about how to keep your indoor air clean when there’s wildfire smoke outside.