Hundreds of wildfires burning in Canada are undermining U.S. air quality across the Upper Midwest and Northeast, making skies hazy from Detroit to New York City and even prompting a ground stop at ...

Fire WE025 started small. But in late May, hot and dry conditions and gusty winds whipped it into an out-of-control inferno. Over 116 days, it swept across northwestern Manitoba, chewing up 447,000 ...

Wildfires burning in Canada this summer impacted air quality in Wisconsin. Air quality in the greater Milwaukee area has been getting worse in recent years, according to the American Lung ...

In recent years, summer in the U.S. has been blighted by wildfires. And as megafires grow, so does air pollution. Just this summer, we again experienced air quality alerts in western Pennsylvania ...

Wildfire smoke helped counter extreme heat, benefitting this year's canola crop High temperatures and scorching sun can devastate growing season More research is needed on smoke's impacts on crops, ...

Wildfires are no longer rare disasters in Canada. They are now an annual reality, and 2025 has already been one of the worst on record, with 3,582 fires burning 6.2 million hectares as of July 30 — ...

Severe wildfires in Canada burned millions of hectares of forest in 2023. The smoke from these fires affected air quality across North America but also traveled across the North Atlantic to Europe and ...

Earth just endured one of its most extreme wildfire years on record — and scientists say human-driven climate change is the cause. A sweeping new analysis, the State of Wildfires 2024–25 report, finds ...