An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

Parts of central Pennsylvania are under a code orange air quality alert, but the Midwest is seeing bigger air quality ...

Roughly 17,000 residents in the Canadian province of Manitoba have been evacuated because of nearly two dozen active ...

Authorities in Manitoba, which shares a border with the U.S., issued a state of emergency. Winds will likely blow wildfire ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.

Japanese Prime Minister Shigeru Ishiba is considering visiting Washington to meet President Donald Trump before a mid-month ...

The Canadian province of Manitoba has declared a state of emergency over a series of wildfires, and Prime Minister Mark ...

Air quality reached "unhealthy" levels in North Dakota and small swaths of Montana, Minnesota and South Dakota, according to ...

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