Pollen Alerts For Helotes, TX

Pollen Index: 11.7 Pollen Level: high Predominant Pollen: Oak, Hackberry and Mulberry. Concentration of pollen grains in the air for Thursday will be falling but will remain in the high range. The cause for the falling pollen levels is rising humidity, weakening winds and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air. That's good news for allergy sufferers.