A group of Republican lawmakers has complained that smoke from Canadian wildfires is ruining summer for Americans, just days ...

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

Six members of Congress from Wisconsin and Minnesota have asked Canada to say how it plans to tackle the blazes and reduce ...

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, reports on diplomatic tensions between the U.S. and Canada over ...

The extended forecast suggests unsettled weather midweek, with rain probabilities ranging from 30% to 60%. There is some ...

Smoke from hundreds of wildfires burning in Canada has made its way south of the border again this weekend, filling skies of ...

Wildfires in Canada are continuing to blanket its southern neighbors in smog, triggering new air quality alerts in the northern high plains, Midwest and Great Lakes, according to the National ...

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.

Consider the clean air delivery rate (CADR) for the room size. The CADR describes how well the device reduces tobacco smoke, ...

Smoke rises from hotspots flaring up in the Kimiwan wildfire complex in Northern Sunrise County, Alberta, Canada, June 24, 2023.

In June 2023, a surreal glowing orange haze descended on New York City and across other East Coast locations as winds concentrated and redirected smoke from Canada wildfires.The smoke eventually ...