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 ...

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

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

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality across roughly a dozen states.

Smoke from Canadian wildfires set off multiple air quality alerts Thursday across the Midwest and the Canadian prairies, enveloping Minnesota and stretching eastward to Toronto.

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 ...

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.

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

New York City and other parts of the Northeast were placed under air quality alerts for the second day in a row as smoke from the wildfires burning in Canada again brings hazardous conditions to ...