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Poor air quality caused by ozone and other sources prompted the warnings across six states on Thursday and Friday.
When air quality is ranked "unhealthy for vulnerable groups" it means PM 2.5 are at levels that can cause problems for people ...
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 ...
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 ...
With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...