Duluth, North Shore are in a Very Unhealthy Air Quality Alert, with the rest of Minnesota under a Red AQI. Wisconsin reports very unhealthy conditions on Thursday, July 31.

A thick blanket of smoke from Canadian wildfires is pushing southward across the US, prompting air quality alerts across Wisconsin, Minnesota, Michigan, and Connecticut. Millions of residents are advised to reduce outdoor exposure as air pollution levels reach unhealthy to very unhealthy levels,