A smokey haze from Canadian wildfires is seen over Lake Michigan as a person runs along the shoreline on June 2, 2025, in Chicago, Illinois. Wildfires burning in British Columbia, Alberta, Saskatchewan, Manitoba and Ontario are impacting parts of United States as smoke fills the sky. (Joshua Lott/The Washington Post)

By Matthew Cappucci

The air quality is reaching dangerous levels in parts of the Upper Midwest and north central U.S., where copious amounts of smoke from wildfires in Canada are wafting south across the international border. Most of Minnesota, western Wisconsin eastern Nebraska. and the Upper Peninsula of Michigan are under air quality alerts. Late this week, the smoke could descend on Chicago.

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