As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

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

The air quality index on Tuesday across the Midwest and the Northeast ranged from "moderate" to "unhealthy" for sensitive adults. Some areas in northern Wisconsin, eastern Pennsylvania, northern ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

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

As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect yourself. Here's what to know.

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

The current rankings indicate that Detroit is more polluted than Kolkata, one of India's largest cities, and every other city ...

While the Air Quality Alert has been officially lifted, pockets of intense smoke could trigger another one on Monday or ...

Smoke from Canadian wildfires has drifted into the US, impacting air quality across the Midwest and Northeast. Several states ...

Smoke from widespread Canadian wildfires has spread into the US, particularly affecting the Midwest and Northeast, leading to ...

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 ...