Pollen Alerts For Nashville, OR

Pollen Index: 8.5 Pollen Level: medium-high Predominant Pollen: Birch, Cedar/Juniper and Alder. The quantity of pollen grains in the air for Wednesday will be falling into the very low range. This lowering of pollen concentrations is a result of heavy rains in the morning, afternoon and evening which tend to wash pollen out of the air.