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

Smoke from the Gifford Fire was hovering over parts of the county, resulting in sooty air quality and possible ash falling ...

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

States across the U.S. are feeling the impact of the Canadian wildfires as air quality takes a hit from the smoke, according ...

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

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

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 ...

Residents of central Pennsylvania should prepare for hazy skies and reduced air quality today as wildfire smoke from Canada ...

“Smoke plumes can travel quite a bit. They can travel hundreds and thousands of miles, so our air quality right now is being ...

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

The air quality monitor on the Rio Blanco County building in Meeker peaked at 304 for fine particulate matter pollution at 5 ...