Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

“Air quality and visibility due to wildfire smoke can fluctuate over short distances and can vary considerably from hour to ...

July ended as Winnipeg ’s smokiest month on record. Extensive wildfires burning throughout Manitoba and Saskatchewan have ...

A Greenwood and Danforth measuring station reported the city’s worst air quality Saturday evening. Smoky skies are likely ...

It’s going to be a hazy and humid Sunday across southern Ontario, with wildfire smoke reducing visibility and triggering special air-quality warnings as temperatures climb toward 30 C. Those hoping to ...

Environment Canada has issued an air quality statement for Montreal today due to smoke from wildfires in the Prairies.

Wildfire smoke from the Prairies is drifting towards the Greater Toronto Area, prompting Environment Canada to issue a ...

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

Smoke from raging wildfires in Canada is causing air quality alerts to blanket the Midwest. Lissette Nuñez is live from Chicago's Lollapalooza music festival.

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

Smoke prompted air-quality warnings across Saskatchewan, with some of the worst air expected in La Ronge and Buffalo Narrows, ...

After some improvement in terms of air quality Friday, conditions were once again expected to worsen in West Michigan by Saturday.