Pollen Alerts For Wilmington, DE

Pollen Index: 10.4 Pollen Level: high Predominant Pollen: Oak, Ash and Birch. The quantity of pollen grains in the air for Wednesday will be falling but will remain in the high range. This relief in pollen levels is caused in part by falling temperatures, rising humidity, and expected precipitation in the evening which tends to wash pollen out of the air. Relief is in sight.