Smoke billowing from wildfires is polluting the air, worsening air and reducing visibility throughout Manitoba this weekend.

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

Fine particle levels are expected to reach the purple air quality index category, which means it is considered “very ...

Intense wildfires in Canada’s western provinces continued blazing Wednesday, sending smoke southward and triggering air quality alerts throughout the United States. More than 400 wildfires are ...

The extended forecast suggests unsettled weather midweek, with rain probabilities ranging from 30% to 60%. There is some ...

MILES PARKS, HOST: Something like 500 wildfires continue to burn across Canada, and it's affecting the air we breathe. Earlier this week, the air quality in Toronto was among the worst in the world.

Record-breaking wildfires in Canada are impacting air quality in the U.S. The Canadian wildfire season has started early and already broken records, with toxic smoke drifting south to the U.S. and ...

The current infrastructure also isn’t set up to fully account for the shifting behavior of wildfire smoke, which can travel ...