Elsewhere, wildfire smoke from Canada continues to blanket the Midwest, prompting alerts for millions for dangerous breathing conditions. Air quality alerts are in effect for the entire states of Minnesota, Wisconsin, Michigan, Iowa and Illinois, as Chicago, Fort Wayne, Kansas City and Omaha are also under air quality alerts.

Wildfire smoke drifting across the Great Lakes has caused air quality to plunge to hazardous levels in several states, affecting millions of people in major cities.

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst summer events.