Pollen Forecast for Harrisburg, Oregon
Today
The pollen levels for Sunday will be increasing but will stay in the very low range. This forecast of higher pollen concentration is based on higher temperatures and the lower dewpoint.
Outlook
Based on past pollen counts and expected weather conditions, pollen levels for Monday will be falling into the extremely low range. This relief in pollen levels is caused in part by rising humidity and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air.