Air quality alert expanded across Minnesota over Canadian wildfire smoke
Heavy smoke from Canadian wildfires has prompted the Minnesota Pollution Control Agency to expand an air quality alert originally for northern Minnesota to much of the state. The current alert expires at 6 a.m. Thursday. Areas under the alert include Hibbing, International Falls, Roseau, Bemidji, East Grand Forks, Moorhead, Brainerd, St. Cloud, Rochester, Mankato, the Twin Cities and the tribal areas of Leech Lake, Red Lake, Fond du Lac, Mille Lacs, Upper Sioux and Prairie Island. Fine particle levels are expected to be unhealthy for sensitive groups, such as people who have asthma or other b...