Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality ...

Environment Canada has issued special air quality statements for southwestern Ontario as prairie wildfire smoke sits over ...

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

Degraded and/or unsafe air quality levels will continue across parts of Canada Monday as wildfire smoke lingers. However, the ...

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

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

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

The smoky air is predicted to reach New York City on Monday, and it could bring unhealthy air quality for sensitive groups.

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 ...

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