Pollen Alerts For Castleton-on-Hudson, NY

Pollen Index: 10.9 Pollen Level: high Predominant Pollen: Birch, Oak and Ash. The quantity of pollen grains in the air for Thursday will be falling in the moderate range. Since the weather has a major influence on pollen dispersal, this decrease is due in part to falling temperatures, rising humidity and heavy rains in the morning which tend to wash pollen out of the air. Relief is in sight.