Two political allies of President Donald Trump have sent a letter to the Canadian government regarding “unacceptable levels ...

This story was originally published by Grist with the headline As California burns, new research shows smoke is wildfire’s ...

As thick plumes of smoke drift down from Canada’s raging wildfires, New York residents are once again facing hazy skies, ...

More and more people in Michigan are gagging on smoky air blowing in from Canada’s wildfires or struggling to avoid ...

Small particles can get lodged in crevices of organs from lungs to arteries, causing inflammation and other health issues.

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According to data from the U.S. National Interagency Fire Center, the number of acres burned annually in the U.S. has more than doubled since the 1990s. And like in Canada, the fires are getting ...

Canada's 2025 wildfire season is now the second-worst on record. The latest figures posted by the Canadian Interagency Forest ...

Republican lawmakers in Michigan are blaming the Canadian government for the state's poor air quality, claiming that ...

Many cities including Toronto, Halifax, and St. John's are experiencing 50 per cent or less of normal rainfall since the start of meteorological summer on June 1st.

The smell of campfire in the air might seem familiar by now, but this summer’s haze isn't just a nuisance: it’s historic.

Much of Manitoba and Saskatchewan remain under air quality warnings. Environment Canada says wildfire smoke continues to ...