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.

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

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

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

Already known for having some of the worst air quality in the U.S., people in Southern California are now also at risk of inhaling smoke.

Smoke from the raging Southern California wildfires is filling city skylines, causing officials to warn residents of poor air quality.

As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.

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