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

Cleaner air has moved into northwestern Minnesota where air-quality alerts have been dropped, but the remainder of the state continues to be under advisories that are in effect until midday Wednesday.

The Minnesota Pollution control agency has issued an air quality alert for all of northern Minnesota, it's expected to reach the red AQI category which is unhealthy for everyone.