Smoke from Canadian wildfires has rolled back into Minnesota, prompting the state’s Pollution Control Agency to issue an air quality alert covering the entire state until 11 p.m. Friday. Air on Friday morning has reached unhealthy levels for all people in an area stretching from the Twin Cities to Duluth and from St.

An air quality alert was issued by the National Weather Service in Green Bay at 1:52 p.m. on Wednesday, July 23.