Poor air quality caused by ozone and other sources prompted the warnings across six states on Thursday and Friday.

The current infrastructure also isn’t set up to fully account for the shifting behavior of wildfire smoke, which can travel ...

Fireworks are happening across the city again this year, which poses two issues–highly concentrated pollution, and uniquely ...

The Santa Barbara County Air Pollution Control District announced an upgraded version of its Permitted Facilities Map, an ...

Smoking, air pollution and several other factors have led to significant disparities in lung health across the U.S.

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...

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