Allergies & Pollen
Pollen Forecast for Grass Valley, California
1.6
Low
Sagebrush/Sage and Elm
Today
The quantity of pollen grains in the air for Sunday will be falling and will remain in the very low range. This change results in part from rising relative humidity and relatively weaker winds.
Outlook
The pollen levels for Monday will be rising but will stay in the very low range. This forecast of higher pollen concentration is based on drier air.