Pollen Alerts For Plymouth, IA

Pollen Index: 10.9 Pollen Level: high Predominant Pollen: Ragweed, Sagebrush/Sage and Nettle. Based on past pollen counts and expected weather conditions, pollen levels for Monday will be falling but will remain in the very high range. This decrease is due to falling temperatures, rising humidity, and expected precipitation in the afternoon which tends to wash pollen out of the air.