Air quality alerts have been issued across most of the Midwest, and hundreds of wildfires are burning across Canada.

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

The smoky air is predicted to reach New York City on Monday, and it could bring unhealthy air quality for sensitive groups.

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

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

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

Smoke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...

Several wildfires burning across the northwestern Canadian provinces are again sending vast amounts of smoke into the upper ...

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

Smoke from widespread wildfires in Canada prompted air quality alerts across several Midwest and Northeast U.S. states this ...

Air quality warnings covering the whole state are expected to remain in place through Saturday due to Canadian wildfire smoke ...