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.

The air quality alert may need to be extended into Monday if an additional batch of heavy smoke materializes from Manitoba and Saskatchewan wildfires and is transported into and across