Pollen Forecast for West Linn, Oregon
Today
Concentration of pollen grains in the air for Friday will be falling into the extremely low range. The cause for the falling pollen levels is rising humidity, weak winds and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air.
Outlook
The amount of pollen in the air for Saturday will be on the increase but will still remain in the low range. This forecast of higher pollen concentration is based on strong winds and decreasing humidity. The increase of this magnitude could make it more difficult for those with allergies.