Pollen Alerts For Issaquah, WA

Pollen Index: 9.8 Pollen Level: high Predominant Pollen: Mulberry, Sycamore and Ash. The quantity of pollen grains in the air for Saturday will be higher than they were today and extend further into the very high range. Since the weather has a major influence on pollen dispersal, this increase is due in part to higher temperatures and the lower dewpoint.