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

For many, it has started to feel like the bad air quality in Michigan from the Canadian wildfires is becoming the new summer ...

Air quality alerts continue for millions as wildfire smoke crosses the border from Canada. Plus, the intense heat fueling ...

Two allies of President Donald Trump from Upstate New York have sent a letter to Canadian Prime Minister Mark Carney over the ...

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

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Smoke from hundreds of wildfires in Canada has choked the skies over dozens of northern U.S. states in the Great Lakes and ...

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

Canadian officials say it is not possible for wildfire fighters to lessen the impact of smoke drifting across vast swathes of ...

Wildfire smoke drifting over the Washington, D.C., area is making the skies look hazy and negatively affecting air quality.