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

A thin veil of smoke from wildfires burning in Canada is worsening air quality and putting a lid on temperatures in the D.C.

The National Weather Service issued air quality alerts on Monday for millions of Americans in Wisconsin, Michigan, ...

Smoke from wildfires in Canada continue to impact air quality in the northern United States, even in the New York City metro ...

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

Seven Michigan Republicans in Congress want Canada to contain and prevent future wildfires, noting it's the third summer ...

Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy ...

Manitoba Premier Wab Kinew accused a group of Republicans of throwing a "timber tantrum" after they called out Canada over ...

More Republican lawmakers are calling out Canada because of wildfires sending smoke billowing across the international border ...

The scale and intensity of the fires have had transboundary effects. Smoke from the blazes has drifted across the border into ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...