Pollen Forecast for Saint Helens, Oregon

Concentration of pollen grains in the air for Saturday will be unchanged in the low range. Constant and seasonally normal weather conditions tend to stabilize pollen concentrations in the outdoor air.

Based on past pollen counts and expected weather conditions, pollen levels for Sunday will be falling into the very low range. Since the weather has a major influence on pollen dispersal, this decrease is due in part to falling temperatures, higher dew points and lack of strong winds.