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’t breathe a ...

Discover how air pollution impacts autoimmune diseases like rheumatoid arthritis and lupus, based on groundbreaking genetic ...

Ash from the wildfires, which can irritate your skin or lungs, falls out of the air and settles onto the ground and therefore ...

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

Air quality in Los Angeles has improved as the Palisades and Eaton wildfires get under control. But as the fires burned ...

Flying through Bangkok's cloudless blue skies, a small aircraft sprays a white mist over a thick haze of pea soup smog below.

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