Allergies & Pollen

Pollen Forecast for Downers Grove, Illinois

6.9
Medium
Mulberry, Maple and Oak
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Today
Based on past pollen counts and expected weather conditions, pollen levels for Thursday will be rising in the moderate range. The cause for the rising pollen levels is higher temperatures and the lower dewpoint. This heavy increase in pollen concentration could very well cause problems for those who are allergic to airborne pollens.
Outlook
Concentration of pollen grains in the air for Friday will be increasing over today's levels in the moderate range. Since the weather has a major influence on pollen dispersal, this increase is due in part to rising temperatures, strong winds and lower relative humidity.