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

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

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

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

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

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

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...

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

Brace for more smoky skies as Canadian wildfires rage A dire August forecast map shows "well above average" fire severity across a swath of Canada.

Smoke from Canadian wildfires again plagued portions of the northern United States on July 16, prompting air quality alerts from Illinois to Maine. This includes portions of Michigan, where the ...

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air quality conditions across Eastern Canada and the United States.