Residents in lower-income areas, often near highways and industrial sites, still breathe some of the dirtiest air in the ...

When air quality is ranked "unhealthy for vulnerable groups" it means PM 2.5 are at levels that can cause problems for people ...

University of Utah researchers believe inflammation starts a months-long process that increases risk of aneurysm rupture.

With smoke drifting over the Sacramento region from wildfires in the north state, air quality officials are urging capital ...

SAN FRANCISCO — The Bay Area Air District on Thursday issued an air quality advisory due to smoke from wildfires burning in ...

Smoke travels hundreds of miles to harm air quality far from the fire, according to the EPA’s Wildfire Smoke and Your Patient ...

Los Angeles and much of Southern California were met with a regional air quality alert on Saturday, following July 4th ...

The Pollution Control Agency has issued a statewide air quality alert through 9 a.m. Monday because of Canadian wildfire ...

Air quality will become unhealthy for some beginning Sunday through Monday morning. Canadian wildfire smoke returns which ...

An air quality alert in effect for northwest and north central Minnesota could extend into the weekend as wildfire smoke ...

Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

The Michigan Department of Environment, Great Lakes, and Energy issued southeast Michigan's sixth air quality advisory of the ...