7-6-2015 Note: This air quailty health alert now covers the entire state of Minnesota, including the Twin Cities area.
Heavy smoke from Canadian wildfires is slowly moving across Minnesota today. As of 3:00 p.m., fine particle levels had reached unhealthy levels in a diagonal band across the state including: Marshall, St. Cloud, Brainerd, Duluth and Grand Portage. This band of smoke is expected to continue to move across the state Monday evening and into the early morning hours Tuesday. Cleaner air is entering the state behind the smoke plume, resulting in improved air quality.