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

Southern California air quality monitors issued a dust and ash alert for all of Los Angeles County as strong Santa Ana winds ...

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

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

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 ...

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

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

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

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

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