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Allergies & Pollen

Pollen Forecast for Merna, Illinois

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6.5
Medium
Cedar/Juniper and Maple
Today
The amount of pollen in the air for Thursday will be falling in the moderate range. This lowering of pollen concentrations is a result of rising relative humidity and relatively weaker winds.
Outlook
Pollen concentrations for Friday will be greater than today's levels in the moderate range. This results in part from rising temperatures, strong winds and lower relative humidity.