The hazy air hovering over US metropolises, including Chicago and New York, this summer is reminding Americans of just how ...

Minnesota and Canada share so much: frigid winters, a love for hockey — and more recently, massive plumes of toxic wildfire ...

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

But a growing body of research is reinforcing the knowledge that wildfire smoke is much more than an inconvenience — in fact, it’s actually killing far more people than the flames themselves. New ...

Air quality remains poor in parts of Canada as wildfire smoke travels along the jet stream — with Europe now in its path.

As Canada’s wildfire smoke creeps down into the U.S., it’s also transforming. Chemical reactions between gases and sunlight create ozone, which further exacerbates lung conditions like asthma.

Amid thousands of evacuations and the spread of smoke to the United States, the Canadian armed forces and the Coast Guard ...

Smoke is back. Over 700 fires are burning across Canada, more than 300 out of control. An area nearly the size of South Carolina has been charred by flames this year. Our refreshing cool fronts are ...