Pollen Alerts For Wilsonville, OR
Pollen Alert
-Pollen Index: 9.9 Pollen Level: high Predominant Pollen: Grass and Walnut. Pollen concentrations for Monday will be falling but will remain in the high range. The cause for the falling pollen levels is falling temperatures, rising relative humidity and weaker winds.
0
2.5
4.9
7.3
9.7
12.0
