Pollen Forecast for Harrisburg, Oregon
Low-Medium
Cedar/Juniper
Today
Concentration of pollen grains in the air for Sunday will be greater than today's levels but will still remain in the low range. Since the weather has a major influence on pollen dispersal, this increase is due in part to rising temperatures.
Outlook
The pollen levels for Monday will be increasing in the moderate range. This higher level is caused in part by drier air.