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Allergies & Pollen

Pollen Forecast for Onawa, Iowa

8.6
Medium-High
Oak, Birch and Mulberry
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Today
Pollen concentrations for Sunday will be falling but will remain in the high range. The cause for the falling pollen levels is falling temperatures and higher dew points.
Outlook
Concentration of pollen grains in the air for Monday will be falling in the low range. The cause for the falling pollen levels is rising humidity and heavy rains in the morning and evening which tend to wash pollen out of the air. That's good news for allergy sufferers.