Smoke from wildfires in Canada is impacting air quality across the Upper Midwest, prompting advisories in states including Minnesota, Wisconsin, and Michigan. With heavy smoke expected to reach areas such as Chicago and Minneapolis, officials have issued air quality alerts for millions. The dense smoke is anticipated to create hazy conditions and could lead to unhealthy air levels, particularly affecting populations sensitive to air quality issues. As wildfire activity continues to escalate, residents are urged to stay informed and take precautions against the deteriorating air quality.