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 ...

There were no air quality alerts across the U.S. early Friday, following a flurry of warnings partly linked to wildfires in ...

Canadian wildfire smoke is triggering air quality alerts across the U.S. Midwest and Northeast on Thursday, as the northern ...

Thursday will be a sunny, hot and hazy day in Philadelphia, though a Code Orange Air Quality Alert is in effect for much of ...

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

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

An air quality alert has been issued by DC Homeland Security & Emergency Management for the District Saturday. The alert was ...

Typically, during the summer months of June, July and August, when the wind goes northwest behind a front, the New York sky ...

An air quality alert is in effect today for NYC, Long Island, and part of New Jersey due to smoke from the Canadian wildfires ...

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

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

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