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

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 ...

MIchigan's air quality will be unhealthy for some groups Saturday. Check the air quality index map to see if it's good or bad ...

New global research links air pollution to DNA mutations found in lung cancer among non-smokers, suggesting polluted air may ...

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