Pollen Alerts For Ottumwa, IA

Pollen Index: 9.6 Pollen Level: medium-high Predominant Pollen: Ragweed, Nettle and Chenopods. Pollen concentrations for Tuesday will be higher than they were today and extend further into the very high range. Since the weather has a major influence on pollen dispersal, this increase is due in part to higher temperatures and the lower dewpoint.