After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...

The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...

While containment on the Eaton and Palisades fires continue to grow, forecasters with South Coast AQMD say ‘hazardous ash’ ...

Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — ...

Portland’s air quality is currently comparable to Los Angeles, despite the ongoing wildfires in Southern California.

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

The LA wildfires have burned tens of thousands of acres – but on some weather maps, air quality still looks good. What’s ...

KCRW and R&S Kayne Foundation Los Angeles held a public information panel and Q&A session regarding immediate and long-term ...

Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, ...

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