Wildfires in Canada Impact U.S. Air Quality
Smoke from Canadian wildfires is affecting air quality in several U.S. states, particularly Minnesota, Iowa, and Wisconsin, which are considered at risk for unhealthy air according to the Air Quality Index. While states like Illinois, Michigan, and Pennsylvania may also experience smoke, major impacts on air quality are not expected in regions like Philadelphia. Around 200 active fires are reported in Canada, leading to over 25,000 evacuations across three provinces.