Pollen Forecast for Yosemite Valley, California

Based on past pollen counts and expected weather conditions, pollen levels for Saturday will be falling into the extremely low range. This lower level is caused by rising humidity, weakening winds and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air.

Pollen concentrations for Sunday will be at about the same level in the extremely low range. This is a result of stable humidity. This is a period of extremely low levels of pollen.