Pollen Alerts For Knife River, MN

Pollen Index: 11.2 Pollen Level: high Predominant Pollen: Elm, Maple and Poplar/Aspen/Cottonwood. Concentration of pollen grains in the air for Tuesday will be falling but will remain in the high range. The cause for the falling pollen levels is falling temperatures. That's good news for allergy sufferers.