Unhealthy smoke from Canadian wildfires has blanketed the Upper Midwest, prompting air quality alerts across multiple states, including Minnesota and Wisconsin. Residents have been advised to limit outdoor activities, with warnings issued to keep windows closed as air quality levels drop to unhealthy categories. As many seek to enjoy the outdoors, the smoke is affecting visibility and health, with experts urging caution. While some areas may experience slight clearing, the hazardous conditions are expected to persist into the new week.