92 million under air quality alerts as Canada’s wildfire smoke afflicts the Midwest
Unhealthy air in the U.S. Smoke from Canadian wildfires is blanketing Chicago and much of the Great Lakes region, creating unhealthy air quality conditions. Chicago and Detroit have the worst air quality in the world Tuesday, according to IQAir.com, a tracking service. The National Weather Service has issued air quality alerts for northeastern Illinois, northwestern …