An air quality alert remains in effect Tuesday for most of Minnesota, though conditions should improve throughout the day.

Air quality alerts remain in effect for yet another day for the entire state of Minnesota with concentrations of wildfire smoke so thick the Minnesota Pollution Control Agency (MPCA) has issued a rare hazardous warning.

An air quality alert has been issued for the entirety of Minnesota on Sunday as Canadian wildfire smoke continues to impact the state. The whole of the state is under an "orange" warning for the day, with air quality expected to be unhealthy for sensitive groups.