Unhealthy air quality blankets the Upper Midwest due to Canadian wildfire smoke, impacting tourism and outdoor activities. Minnesota, parts of Montana, North Dakota, and Wisconsin experienced unhealthy air, with some areas rated "very unhealthy." Tourism businesses are suffering from reduced visitors due to poor visibility and smoky conditions. The situation is expected to last through the weekend, prompting health advisories for vulnerable populations. Meanwhile, Canadian wildfires have prompted states of emergency in Manitoba and Saskatchewan, leading to widespread evacuations. Several US national parks remain closed due to ongoing wildfires.

Prepared by Olivia Bennett and reviewed by editorial team.