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Allergies & Pollen

Pollen Forecast for Issaquah, Washington

8.4
Medium-High
Birch, Alder and Grass
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Today
The quantity of pollen grains in the air for Friday will be rising in the high range. This is likely to be caused in part by 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
The pollen levels for Saturday will be falling but will remain in the high range. The cause for the falling pollen levels is lack of strong winds.