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

Wildfires are still raging in Canada, where there have been dozens of active fires, and over 33,000 people have been forced ...

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian ...

Smoke from Canadian wildfires began to worsen air quality in the eastern U.S. on Wednesday as several Midwestern states ...

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

Wildfire smoke was helping raise ozone to hazardous levels. No alerts have been issued, but the air quality may approach ...

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

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

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

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

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

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