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

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

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

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

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

Los Angeles is now a week removed from the day that multiple devastating wildfires erupted to torch tens of thousands of ...

Even with thick smoke coming from the Hughes Fire, skies have been clear in many areas, and the air quality forecast has been ...

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

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

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

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

Storyline: Wildfires in the Los Angeles area of Southern California have forced residents to remain indoors due to hazardous ...