Pollen Forecast for Onawa, Iowa

High

Maple, Cedar/Juniper and Poplar/Aspen/Cottonwood

Today

The quantity of pollen grains in the air for Thursday will be greater than today's levels and extend further into the very high range. The cause for the rising pollen levels is rising temperatures, strong winds and lower relative humidity. If you have these allergies, tomorrow will likely be more difficult outdoors.

Outlook

The quantity of pollen grains in the air for Friday will be falling in the moderate range. The cause for the falling pollen levels is falling temperatures and expected precipitation in the morning and afternoon which tends to wash pollen out of the air. Relief is in sight.

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