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

The north-central part of the Prairies remains under a series of air-quality warnings. Environment Canada says wildfire smoke is contributing to the region's very poor air quality and could cause ...

A number of states in the United States have declared air quality warnings with concerning levels noted across many of the ...

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

A group of lawmakers, including Rep. Calvin Callahan of Tomahawk, is filing a formal complaint against Canada.

Canadian wildfire smoke continues to cause hazy skies and air quality alerts in New Hampshire. The air quality alert, extended through Tuesday night, particularly affects sensitive individuals. Air ...

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

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as ...

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

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

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

Hundreds of wildfires in Canada are creating unhealthy air quality conditions across the Midwest, including Michigan, where ...