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Many fires burning across Canada, forcing evacuations and threatening air quality in the United States, cannot simply be put ...
An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...
Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.
RALEIGH, N.C. -- Over the weekend, a haze lingered in the North Carolina air, caused by wildfires in Canada that have forced ...