Reps. Elise Stefanik and Nick Langworthy find the smoke wafting over New York "unacceptable." So is trashing efforts to fight ...

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

Canadians have pushed back against the criticisms. This week, Manitoba Premier Wab Kinew accused the Midwest lawmakers of ...

The hazy air hovering over US cities, including Chicago and New York, this summer is reminding Americans of just how ...

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

The Minnesota Pollution Control Agency extended an air quality alert for southeastern and northern Minnesota on Tuesday due ...

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air ...

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

Smoke carried by winds from wildfires burning in Nova Scotia and New Brunswick affected many parts of Prince Edward Island on Thursday.

As Canada’s wildfire smoke creeps down into the U.S., it’s also transforming. Chemical reactions between gases and sunlight create ozone, which further exacerbates lung conditions like asthma.

Canada wildfire smoke targets air quality in Midwest, Great Lakes. What to know this week. Adrianna Rodriguez USA TODAY ...