Update: I'll await confirmation from @mpca_aqi on this but...
— Paul Huttner weather (@paulhuttnerwx) June 14, 2023
It appears today's AQI index reading of 243 in Minneapolis may be the worst on record.
It's higher than the July 1985 AQI of 232 in St. Paul which is the highest I believe since records began in 1980. #mnwx https://t.co/XAEu5sIs7h pic.twitter.com/fd5ENkREKx