Pollen Forecast for McHenry, Maryland
High
Maple, Poplar/Aspen/Cottonwood, Cedar/Juniper
Discussion
The amount of pollen in the air for Friday will be increasing and extend further into the very high range. This higher level is caused in part by drier air.
Allergy Facts
The box elder tree is the most allergenic of the maple family. It is commonly found in the Midwest.