Widespread wildfires in Canada and Minnesota trigger air quality alerts across North America

More than 850 active wildfires are currently burning across Canada, with nearly 200 located in Ontario, while 17 fires persist in Minnesota. The blazes were fueled by extreme heat domes and below-average rainfall throughout late June. In Ontario, wildfires have impacted remote areas near Lake Superior, forcing six First Nation communities to evacuate and damaging homes, including significant destruction in the Namaygoosisagagun community. The Canadian Interagency Forest Fire Centre reported 23 new fires on Thursday alone, with most fires currently considered out of control. Smoke from these fires has drifted across the Great Lakes and into the Northeastern and Upper Midwestern United States, creating hazardous air quality conditions in areas like Michigan and Minneapolis. Residents in major cities, including Toronto, New York, and Boston, have been advised to limit strenuous outdoor activity due to the pollution. NOAA expects northwesterly winds to continue pushing smoke into the US through the weekend, potentially affecting New Jersey, with an improvement in conditions anticipated by Monday as wind patterns shift toward Quebec.