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

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

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

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

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

Wildfires continued to rage across Canada on Friday, with nearly three dozen new blazes, bringing the total number of active ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air ...

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

Minneapolis faced hazardous air quality, ranking second-worst globally due to Canadian wildfire smoke. Air quality alerts ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Blazes across several Canadian provinces and territories pose health risks to Canadians and their southern neighbours.