On Sunday at 10:58 a.m. EDT the National Weather Service reported an air quality alert in effect until Tuesday at midnight ...

On Sunday at 11:01 a.m. EDT the National Weather Service reported an air quality alert in effect until Monday at 11:45 p.m.

On Sunday at 9:43 a.m. an air quality alert was reported by the National Weather Service in effect until 9:45 p.m. for Oneida ...

At 3:46 p.m. on Saturday, the National Weather Service reported an air quality alert in effect until Monday at midnight for ...

The Wisconsin Department of Natural Resources issued an air quality alert for all of southeast Wisconsin until noon Sunday, ...

The National Weather Service has opted to extend an air quality alert in the Chicago area for another day.

While the haze slightly lifted Saturday morning, air quality levels are expected to worsen across the Chicago area over the ...

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

According to a ranking by IQ Air, a Swiss air-technology company, Chicago had the worst air quality in the world for a few ...

Air quality alerts had been issued for nine states as of Sunday morning, with residents in some areas advised to combine ...

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...