Pollen Forecast for San Juan, Texas

The quantity of pollen grains in the air for Sunday will be falling but will remain in the high range. This decrease is due to rising humidity, weak winds and expected precipitation in the afternoon and evening which tends to wash pollen out of the air.

Based on past pollen counts and expected weather conditions, pollen levels for Monday will be higher than they were today and extend further into the very high range. This rise is a result of higher temperatures and windy conditions.