Millions of people were told to monitor themselves for the symptoms at least through Monday night, but possibly longer.

Air quality in parts of Michigan, Wisconsin, New York and Ohio was in the "unhealthy" category on Monday morning ...

The current rankings indicate that Detroit is more polluted than Kolkata, one of India's largest cities, and every other city ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

Wildfires in Canada lead to a statewide air quality advisory in Michigan, with Detroit's air ranking among the worst globally ...

The forecast looks to stay hazy, quiet, and warm, as there isn't a whole lot of significant rain chances on the way any time ...

As Michigan extends its 10th air quality advisory of the season, some Michigan officials are urging Canada to do more about ...

Air quality alerts were issued across Wisconsin, Michigan, Pennsylvania, New York, Massachusetts, Vermont, Maine, Delaware, Texas and Colorado on Monday.

The forecast looks to remain hazy, quiet, and warm, as there isn't a whole lot of significant rain chances on the way any ...

An air quality alert issued for the Upper Peninsula — including Delta, Menominee and Schoolcraft counties — has been extended through Monday, Aug. 4.. Smoke from wildfires in Canada is making air ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at least the third day. Air quality alerts were in effect in Iowa, Minnesota, ...

Metro Detroit is looking at a mostly dry, warm, and increasingly humid week; but poor air quality remains a concern. Smoky ...