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 scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

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

Drivers traveling over Michigan's Mackinac Bridge on Wednesday may experience a haze. However, officials say it is not fog ...

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

An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...

Mississippi can expect hazy skies, lower air quality when double whammy of Saharan dust and smoke from wildfires in Canada ...

Wildfire smoke from fires in northwest Canada have spread from the U.S. border with Canada down through the Midwest and New ...

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

Recapping some of the most talked-about news this week from the nation and around the world – in case you missed it.

The country's legacy of mining means that toxic metals could be carried along plumes of smoke, endangering people in its path ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.