A fire at the Owl Metals recycling facility that caused the Peninsula Expressway to shut down is still causing an air quality ...

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

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

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

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

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

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

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot ...

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 — ...

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

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