Temperatures are expected to climb into the low 90s by Monday afternoon in New York City, Boston and Washington, D.C.

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

Much of Manitoba had the worst air quality in Canada Thursday, as researchers warn the long-term effects of the smog are not yet fully realized. “We know that there’s increases in things like heart ...

Wildfires raging across Canada may cause hazy conditions in the northeast, including Virginia, over the next several days.

Michigan’s air quality has nosedived in recent weeks, due to wildfire smoke from Canada. At one point, Detroit was listed as ...

According to the National Interagency Fire Center, there have been more than 42,000 fires that have burned at some point this ...

In the height of summer, when most Americans dream of clear skies, campfires, and serene lakeside vacations, a thick haz ...

Predicting smoke from wildfires, as opposed to standard urban pollution from human activity, is a lot more complicated, ...

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Extreme heat is breaking records around the world, with wildfires and poor air quality compounding the crisis, according to a ...

Breathing in polluted air for extended periods of time can pose a serious health risk for people, especially for vulnerable ...

Manitoba Premier Wab Kinew accused the state Republicans of throwing a "timber tantrum" over the effects of Canadian wildfires.