Canadian wildfire smoke has affected Wisconsin all week, prompting multiple air quality alert extensions from the DNR.

Smoke from ongoing Canadian wildfires has led to some of the worst air quality in the world across parts of the U.S.

Representative Jack Bergman, a member of the Canada–United States Inter-Parliamentary Group, sent a letter to Canadian ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

Canadian wildfire smoke is causing poor air quality today. Those with respiratory issues should limit outdoor time. Inland highs near 90 degrees, cooler along the coast.

Smoke from ongoing wildfires in Canada is impacting the air quality in states across the Midwest and Northeast of the U.S.

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as ...

Smoke from wildfires burning in Canada is filling the skies high above New Hampshire on Monday, triggering concerns about the ...

Canada is experiencing a terrible wildfire season with nearly 4,000 wildfires so far this year, close to a record pace.

However, Lake, Porter, Newton and Jasper counties in Indiana will be under another air quality alert all day Tuesday. The ...

A fish is suspected of sparking a blaze that knocked out power to more than 1,500 people in Canada.

An air quality advisory is in effect for New York City on Monday due to wildfire smoke from Canada, according to officials. Other areas that are affected by the advisory include ...