As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air ...

Minneapolis has one of the worst air qualities in the world on Thursday morning, with officials warning the smoky air is ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

A smaller snowpack in Canada has left forests primed to burn, starting wildfire season earlier than normal in recent years.

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

Rep. Calvin Callahan joined lawmakers from Iowa, Minnesota and North Dakota in filing a formal complaint against Canada over ...

With Canadian wildfires seemingly out of control, states from Wisconsin to Maine and as far south as Pennsylvania and ...

WASHINGTON — Manitoba Premier Wab Kinew accused a group of Republicans of throwing a "timber tantrum" and playing "political ...