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 ...

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

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

More rain is expected on Sunday along with air quality concerns from a large wildfire burning in a New Jersey state forest.

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

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

Air quality alerts have been posted across the US Northeast, including New York City and Washington, due to Canadian wildfire ...

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

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.

Smoke traveling from wildfires in Canada, North Dakota and Minnesota triggered an air quality warning in northern Wisconsin.

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