Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

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

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the ...

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

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

Lahore, Pakistan, has topped the global air pollution list today, with Dhaka, the capital of Bangladesh, holding the second ...

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

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

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

Air quality remains a big concern in Los Angeles County, and not just for those nearby the Palisades and Eaton fires.