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

Officials said they've sent several crews to assist in controlling the massive wildfires, and they don't expect them to stop ...

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

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

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 ...

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

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

Democratic U.S. Sen. Tammy Baldwin dismissed an idea from Republican Rep. Tom Tiffany this week to push President Trump to ...