Pollen Alerts For Wheaton-Glenmont, MD

Pollen Index: 11.5 Pollen Level: high Predominant Pollen: Maple, Cedar/Juniper and Birch. Concentration of pollen grains in the air for Sunday will be falling but will remain in the very high range. The cause for the falling pollen levels is falling temperatures and expected precipitation in the morning and evening which tends to wash pollen out of the air.