The state of Minnesota is entering another in a long string of summer days marred by air quality alerts. Poor air quality will continue through Saturday with lingering wildfire smoke from Canada.

Minneapolis has the fifth worst air quality in the world, according to an air quality monitoring platform that reported its latest findings Saturday. IQ Air gave Minneapolis an air quality index (AQI) of 107,

Smoke from Canadian wildfires continues to choke the skies over the Upper Midwest this weekend, with the milky haze even starting to spread south into the Ohio and central Mississippi valleys -- and even into Oklahoma.