Rain continues in much of northern Alberta, clearing wildfire smoke and helping firefighting efforts across the province.

The results could be catastrophic, especially in states that have experienced unprecedented fires in recent years.

Wildfires are forecast to continue and expand through the summer in Western Canada and parts of the country’s north.

Smoke originating from wildfires raging across several Canadian provinces is slowly improving across the northern Plains and eastern U.S. on Friday.

Clear, sunny skies could be rare this summer, as smoke from Canadian wildfires flows into the Northeast, according to AccuWeather.

Smoke from Canadian wildfires drifted down heavily into Montana on Wednesday and Thursday, covering a large swath of north-central Montana.

WINNIPEG, Manitoba (Reuters) -World leaders may face smoke warnings when they gather next week in Alberta as wildfires burned ...

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Forecasters warn that hazy, grayish-blue skies could persist for many weeks as fires continue to burn, though most smoke will ...

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PFAS found in Great Lakes mussels, Canadian wildfire smoke affects Midwestern summer skies, coal plant order costs Midwest ...

Toxic air spreads hundreds or even thousands of miles from where wildfires burn. Last week, Chicago felt the sting—and ...