"Canadian Wildfires Cause Poor Air Quality in Midwest Cities: Chicago, Detroit, Cleveland"

Poor air quality caused by smoke from Canadian wildfires is impacting parts of the Midwest, Great Lakes, and Upper Mississippi Valley. Detroit and Chicago have ranked among the top three cities with the worst air quality in the world, alternating between "unhealthy" and "very unhealthy" categories. The smoke has spread across the Great Lakes region, affecting areas in Wisconsin, Michigan, Illinois, Indiana, and Ohio. Additionally, parts of western and central New York and eastern Lake Ontario are expected to experience unhealthy air quality.