Republican lawmakers are blaming Canada for not preventing and containing wildfires, whose smoke has fouled the air in ...

Canadian wildfires burning across northern Manitoba and Saskatchewan are sending smoke through central Canada, the Great ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

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

Air quality alerts are in effect in the Philadelphia area, fueled by smoke from wildfires that are burning thousands of miles ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air quality there. On August 1 conditions are particularly bad in Minnesota ...

Smoke from forest fires in the northern parts of Ontario prompted a special area quality statement for the London-area and other parts of the region on Thursday, Environment Canada officials say.

Canadian wildfire smoke brings poor air quality to Midwest as flood threat looms in Carolinas Minneapolis, Chicago and Detroit rank in the top 10 for worst air qualities.

A special air quality statement has been issued for parts of southern Ontario, triggered by wildfire smoke from the Prairies.

Smoke from wildfires in the Prairies has drifted into southwestern Ontario, triggering a special air quality statement for London, Parkhill and eastern Middlesex County.