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

Oregon's Cram Fire has rapidly grown to engulf nearly 30,000 acres, prompting evacuations across multiple counties on Tuesday ...

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 Air Quality Alert has been extended through tonight as the smoke from Canadian wildfires continues to create ...

DETROIT – A sunny and hot start to the week with less humidity today and Tuesday. Temperatures rise close to 90 both days, ...

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

More than 100 of the blazes are in the United States, including three dozen uncontained large fires, according to the ...

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

Canadian wildfire smoke descended into the Upper Midwest again on Monday, heightening the risk of physical health impacts.

An air quality alert remains in effect across the state of Michigan through Monday. But will the smoke continue to linger?