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

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

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 ...

When you were outside Wednesday, you may have noticed a haze. Centre & Huntingdon County residents are under an air quality ...

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

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

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

Rep. Calvin Callahan joined lawmakers from Iowa, Minnesota and North Dakota in filing a formal complaint against Canada over wildfire smoke.

Code Yellow Air Quality or the moderate level for particle pollution is forecast for Thursday and Friday. This may cause health symptoms for groups of people in the unusually sensitive category.

Smoke from Canadian wildfires continues to bring poor air quality into the Northeast U.S. and the Upper Midwest. And the ...