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

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

At 10:13 a.m. on Friday, the National Weather Service reported an air quality alert in effect until 11 p.m. for Passaic, ...

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

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

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

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

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

Columbus' air quality is once again expected to become unhealthy for sensitive groups on June 12 due to smoke and ozone ...

The National Weather Service reported an air quality alert at 4:30 p.m. on Wednesday in effect until Thursday at 4 p.m. for ...

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

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