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

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

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

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.

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

The metro area could see a high level of fine particulate matter drifting down from Canada where 121 fires are burning in the Manitoba province.

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.

Wildfire smoke from Canada has prompted an air quality alert in the Quad Cities. Health officials urge caution, especially for sensitive groups.

Last week, Rep. Finstad and other Republicans wrote to Canada, complaining about smoke ruining summer fun. They attributed the wildfires to poor forest management by the Canadian government and arson.

Canada's historic wildfires are accelerating climate change by releasing billions of tons of carbon while politicians approve new fossil fuel projects.