Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are ...

In the U.S., smoke from the fires has already been detected drifting through Montana, North Dakota and northern Minnesota.

Wildfire smoke from blazes burning in the Canadian prairie has drifted across New York and Chicago, contributing to ...

The smell of fire filled the air as thick smoke from wildfires in Canada blanketed part of the Midwest and created hazardous ...

Parts of central Pennsylvania are under a code orange air quality alert, but the Midwest is seeing bigger air quality ...

Air quality reached "unhealthy" levels in North Dakota and small swaths of Montana, Minnesota and South Dakota, according to ...

The worst wildfires in decades are tearing through Saskatchewan, Canada, and at least two people have been killed in blazes ...

GATINEAU — Environment Canada says air quality has improved across most of Quebec and Ontario as changes in wind and rain ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.