India, June 3 -- The Minnesota Pollution Control Agency (MPCA) on Tuesday issued a statewide air quality alert, effective through noon on Wednesday, June 4, as thick wildfire smoke from Canada blankets the region. The agency divided the alert into four categories - maroon, purple, red, and orange levels, each signaling increasing health risks.

According to MPCA's latest alert, the affected areas include all of Minnesota and the tribal nations of Upper Sioux, Mille Lacs, Prairie Island, Leech Lake, Red Lake, Grand Portage, and Fond du Lac.

Northwest Minnesota - maroon category, hazardous for everyone

North central Minnesota - purple category, very unhealthy for everyone

Central and northeast Minnesota - red category, unhealthy for ever...