State officials from Maine to New York issued alerts for fine particulate matter, a toxic byproduct of wildfires that is small enough to be inhaled.

We’ve got a pitchers' duel as AL Cy Young betting favorite Tarik Skubal starts for the Detroit Tigers while the Toronto Blue ...

Most of the Lower Peninsula has good to moderate air quality on July 26. Nationally, the northeast has the nation's worst air ...

At 12:40 p.m. Thursday, the National Weather Service issued the alert for Midland, Bay, Saginaw, Huron, Tuscola and Sanilac ...

Smoke from Canadian wildfires persisted across the Upper Midwest on Friday, prompting air quality alerts for millions.

Canadian wildfire smoke returns, bringing haze to Michigan. As of July 25, advisories are in effect for the U.P. and northern ...

Canadian wildfire smoke will significantly impact air quality across Michigan on Friday, with unhealthy conditions expected ...

Canadian Wildfires some still burning from this past April will push Unhealthy Levels of Smoke into northern Minnesota Today ...

Fires are a valuable management tool when it comes to maintaining the health of red pine forests. The notion has been studied and accepted by modern scientists for decades, and evidence from as far ...

Smoke from Canadian wildfires again plagued portions of the northern United States on July 16, prompting air quality alerts from Illinois to Maine.

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

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.