Pollen Forecast for Concord, California

The amount of pollen in the air for Friday will be falling in the moderate range. This relief in pollen levels is caused in part by rising humidity, weak winds and expected precipitation in the evening which tends to wash pollen out of the air.

Based on past pollen counts and expected weather conditions, pollen levels for Saturday will be falling into the extremely low range. Since the weather has a major influence on pollen dispersal, this decrease is due in part to rising humidity and heavy rains in the afternoon which tend to wash pollen out of the air.