Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

An upper-level low pressure system will draw south another thick plume of smoke from Canada. This will create another round ...

The Wisconsin DNR says air quality levels have improved from “unhealthy” to moderate, but that doesn’t mean the risk is over.

Despite Sunday night's rain, Canadian wildfire smoke will continue to impact Michigan on Monday, officials say.

Wildfire smoke is choking Wisconsin for a third straight spring. The hazy, dirty air from Canada — “some of the highest ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

This early-season smoke is a stark reminder that fire season is no longer confined to the West or wild areas, and more ...

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled ...

Canadian wildfire smoke has entered the Upper Midwest and poses significant health impacts in the hardest-hit areas.