Officials warned young children and those with respiratory illnesses to take precautions. For weeks, smoke from Canadian ...

Wisconsin DNR firefighters deployed to combat wildfires in U.S. and Canada, sending crews and engines across borders.

The DNR also said Tuesday that Fire Control program staff have been mobilized across the western U.S. and Canada to combat ...

While alerts have been downgraded from 'unhealthy for sensitive groups' to 'moderate,' the air quality could still be a ...

The baseless arson claims continue to gain traction, even with lawmakers from the United States. Multiple Republican ...

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 ...

Smoke from wildfires burning in Canada has caused air quality alerts to be issued across the Philadelphia area on Sunday.

New York was hit with an air quality alert Saturday as smoke from Canadian wildfires drifted across the state, pushing levels ...

It’s not uncommon for nasty winter and summer weather to disrupt flight schedules and other operations at Canada’s biggest and busiest airport, but officials at Toronto Pearson Airport in Mississauga ...

Considering wildfires, and prevailing winds blowing from Canada, are expected to become more frequent, the impact on crops ...