Minnesota had a few days earlier this summer with temp. in the 90's, but recently near the average high of 83. (Minneapolis-St.Paul) area.
A few days ago we received alot of Canadian smoke, but the air is clear now.
Here's a good site to check the Current Air Quality,
www.airnow.gov AirNow.gov
AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views.