More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

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

In the upper Midwest of the United States, Michigan, Wisconsin and Minnesota have issued air quality warnings as smoke from ...

As wildfire smoke prompts emergency evacuations across the country, travelling smoke has issued weather alerts in Ontario and Québec.