Pollen Alerts For Ankeny, IA

Pollen Index: 11.1 Pollen Level: high Predominant Pollen: Maple, Birch and Poplar/Aspen/Cottonwood. The quantity of pollen grains in the air for Tuesday will be falling but will remain in the very high range. This lower level is caused by falling temperatures, lack of strong winds and expected precipitation in the morning and evening which tends to wash pollen out of the air.