The affected area includes Roseau, International Falls, Ely, Hibbing, Duluth, Two Harbors, Brainerd, Alexandria, Moorhead, Ortonville, St Cloud, the Twin Cities, and the tribal nations of Prairie Island, Mille Lacs, Fond du Lac, and Grand Portage.Īn alert also remains in effect due to ozone for southeast Minn., effective Wednesday, June 14, from noon to 8 p.m. The Minnesota Pollution Control Agency (MPCA) has expanded the air quality alert for northern Minnesota to include central Minnesota due to wildfire smoke.