The worst air in the country on the morning of June 14 was in New Castle County because of a wildfire in New Jersey. The air ...

EDT the National Weather Service reported an air quality alert in effect until Wednesday at midnight EDT for Cass and Berrien ...

EDT an air quality alert was reported by the National Weather Service in effect until Wednesday at midnight EDT for Muskegon, ...

"As soon as the rule was released, the EPA employees started talking about how terrible this was going to be for the state of ...

An air quality alert was reported by the National Weather Service on Saturday at 10:18 a.m. in effect until Sunday at ...

On Saturday at 11:38 a.m. the National Weather Service reported an updated air quality alert in effect until Sunday at ...

On Sunday at 3:27 p.m. an air quality alert was reported by the NWS San Diego CA in effect until Monday at 8 a.m. for ...

An air quality alert was reported by the National Weather Service on Wednesday at 3:45 p.m. in effect until Friday at ...

Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

On Wednesday at 3:45 p.m. an air quality alert was reported by the National Weather Service in effect until Friday at ...

New York state health officials have issued an Air Quality Health Advisory for NYC on Thursday due to the forecast presence ...

Health officials issued a ground-level ozone warning Thursday for the lower Hudson Valley, New York City and Long Island.