Pollen Forecast for Tualatin, Oregon

Based on past pollen counts and expected weather conditions, pollen levels for Friday will be falling into the extremely low range. This change results in part from rising humidity and heavy rains in the evening which tend to wash pollen out of the air.

Concentration of pollen grains in the air for Saturday will be unchanged in the extremely low range. Only trace amounts of pollen are in the air at this time. The next higher pollen levels in the area will from the early tree pollen types.