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

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

The pull of the foul air to Northern California was significant enough that the Bay Area Air District issued an air quality ...

Smoke from wildfires in Canada is making it harder to breathe in Ohio and several other states. Here's how long it will last ...

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are ...

More than 200 wildfires are blazing across Canada, forcing 27,000 people to evacuate and creating hazardous air quality all ...

In the U.S., smoke from the fires has already been detected drifting through Montana, North Dakota and northern Minnesota.

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

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

Rising heat, winds, and dry air sparked blazes in the Canadian provinces of Saskatchewan and Manitoba, according to the ...

Smoke from the wildfires is expected to move out by Tuesday but could return as the fires continue to burn across Canada.

Massive wildfires burning out of control in western and central Canada are forcing thousands to flee as dire forecasts for ...