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

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

An Air Quality Action Day was issued for several northern Indiana cities on Friday due to Canadian wildfire smoke.

Wildfire smoke from the Prairies has prompted special air-quality statements and warnings across the country Saturday.

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

Environment Canada has issued more than a dozen severe thunderstorm watches across British Columbia as the province continues to fight multiple wildfires.

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

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

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

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

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.