Weather Alerts For Lancaster, MD

Pollen Index: 10.3 Pollen Level: high Predominant Pollen: Birch, Maple and Cedar/Juniper. The quantity of pollen grains in the air for Friday will be falling but will remain in the high range. The cause for the falling pollen levels is falling temperatures, lack of strong winds and expected precipitation in the evening which tends to wash pollen out of the air.