The Minnesota Pollution Control Agency extended an air quality alert for southeastern and northern Minnesota on Tuesday due ...

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

Heavy surface smoke from wildfires in Canada is drifting across Minnesota on Monday, with unhealthy air quality levels ...

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

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

Federal officials announcing $45.7 million in wildfire prevention research funding said the cross-border smoke underscores the need to combat climate change.

An air quality alert will be in effect across the state of Minnesota today until 9 am as thick wildfire smoke once again lingers at the surface, coming from the fires in Canada. Gradual improvements ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

But a growing body of research is reinforcing the knowledge that wildfire smoke is much more than an inconvenience — in fact, ...

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality ...

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.