Canada has 835 active wildfires - including 112 that are considered to be burning out of control. The smoke has caused hazardous air quality conditions - with Toronto residents neging warned to stay…

Over 800 wildfires are burning through forests in Canada, prompting heavy smoke warnings for millions of Americans.

As of Tuesday night, just under 200 total active wildfires have been reported, according to the province.

A massive plume of smoke from wildfires burning across Canada has swept into the United States, degrading air quality across the Midwest, Northeast and Mid-Atlantic.

Environment Canada has issued health warnings after sky over city turns yellow

More than 830 wildfires are burning across Canada, with over 100 considered out of control.

Toronto had the worst air quality of any major city in the world on Wednesday, the Swiss firm IQAir said, as Canadian authorities urged people to stay indoors.

Toronto had the worst air quality of any major city in the world on Wednesday, the Swiss firm IQAir said, as Canadian authorities urged people to stay indoors.

Warnings about dangerous, unhealthy air extended Wednesday from Minnesota through Toronto and into New York.

Plusieurs feux de forêt ravagent le nord-ouest de l'Ontario. Selon la société IQAir, la capitale de la province, Toronto, était mercredi soir la deuxième métropole la plus polluée…

Residents have been warned to stay indoors to avoid both the smoke and the extreme heat

Air quality was so bad on Wednesday morning that Toronto had the dubious distinction of having the most polluted air of any city on Earth.

TORONTO/NEW YORK: Toronto’s air quality ranked the worst among major cities globally on Wednesday as wildfire smoke from northwestern Ontario blackened skies and spread into the…

More than 830 wildfires were burning in Canada on Wednesday, along with more than a dozen in northern Minnesota, forcing mandatory evacuations.

La fumée émanant des incendies en cours dans le nord-ouest de l’Ontario a plongé la métropole dans un épais nuage de pollution, poussant les autorités à appeler les habitants à ne…

Roughly 100 wildfires are raging out of control in Ontario, sending smoke streaming more than 1,000 miles from their origin.

Fires in parts of Canada are blanketing several cities with smoke. Experts recommend limiting time outside, purifying indoor air and wearing a respirator if outside.

As thick smoke settles in over major cities, Canada recorded the worst air quality in the world.

A thick orange haze hung over Toronto on Wednesday 15 July as smoke from wildfires in northwestern Ontario engulfed Canada's largest city, giving it the worst air quality of any…

Wildfire smoke is dense enough in a handful of states that experts recommend masks for those who can’t stay indoors.

Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or…