Canadian wildfire smoke remains in Michigan. On July 16, officials issued an air quality advisory for western counties.

As smoke from Canadian wildfires blankets northern Michigan, concerns are mounting over potential long-term health effec ...

Prepare for poor air quality from Canadian wildfire smoke and rising temperatures today, with rain and thunderstorms expected ...

Additional plumes of smoke from Canada's active wildfires prompt officials to issue a statewide air quality alert on July 14.

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.

The Michigan Department of Environment, Great Lakes and Energy issued a statewide air quality alert over the weekend as Canadian wildfire smoke pushed into the state. The alert remains in effect ...

The Michigan Department of Environment, Great Lakes, and Energy issued southeast Michigan's sixth air quality advisory of the ...

Unhealthy air has invaded Minnesota, Wisconsin and North Dakota early this week as a new round of wildfire smoke from Canada ...

Officials warn southeast Michigan residents to be careful outdoors Tuesday because of expected high ozone pollution levels.