Almudena Calvo The air quality warnings were issued in parts of Canada and the United States due to the hundreds of wildfires that are spreading across Canada. These fires have resulted in the evacuation of 26,000 individuals and have caused smoke to be carried over the Atlantic in Canada’s latest extreme weather occurrence.
Source: https://www.france24.com/en/americas/20250604-canadian-fire-smoke-threatens-air-quality-in-canada-us-as-it-reaches-europe
