Poor air quality from the Canadian wildfires remains a concern Tuesday for much of the Upper Midwest and the Northeast ...

The National Weather Service announced air quality alerts in 10 states on Tuesday, as smoke from the Canadian wildfires continues to spread across the U.S. border. The alerts come as the ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

From the column: "As Stauber ... (has) to be well aware, the ever-increasing prevalence of wildfires, both in Canada and the ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

Smoke from Canadian wildfires has drifted into the Midwest and northeastern US, causing hazy skies and prompting air quality ...

By Mitch Klein, Feven Gerezgiher and Juan Del Valle As result of severe wildfires in Canada, Minnesota is facing the longest air quality alert on record since the Minnesota Pollution Control Agency ...