Pollen Alerts For Arock, OR

Pollen Index: 10.4 Pollen Level: high Predominant Pollen: Poplar/Aspen/Cottonwood, Ash and Cedar/Juniper. The quantity of pollen grains in the air for Saturday will be increasing over today's levels and extend further into the very high range. The cause for the rising pollen levels is rising temperatures, strong winds and lower relative humidity.