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

The smoke from Canadian wildfires that has lingered in Upstate New York this week should subside on Thursday. No air quality ...

It's time for change. Wisconsin could face the real possibility of being flanked by the effects of wildfires from both the ...

The smoke drifting across the border contains fine particulates, pollution so small that it’s basically invisible to the ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

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 ...

Massachusetts can expect hazy skies on Wednesday as smoke from Canadian wildfires continues to drift down the East Coast, ...

Plus, ABC News’ Chief Meteorologist Ginger Zee has the latest on the second earthquake in less than a week on the East coast.

Dr. Juanita Mora, board director for the American Lung Association and CEO of Chicago Allergy Center, joins Lisa Dent to ...

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

Smoke from wildfires in southwestern Manitoba, Canada, will impact the D.C. area Wednesday as it makes its way through the ...