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 ...

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

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

Think back to the red AQI forecast on your phone. What information was it trying to convey? The Air Quality Index (AQI) is a ...

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

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

Angelenos still bothered by the smell of smoke may be surprised to see that Air Quality Index numbers returned to “healthy” or “moderate” levels this week in L.A. County, but they shouldn ...

Dust and ash left behind from the January wildfires in Los Angeles County can be irritating and hazardous to health when it’s ...

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

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.