Pollen Alerts For North Marysville, WA

Pollen Index: 9 Pollen Level: medium-high Predominant Pollen: Mulberry, Sycamore and Ash. Pollen concentrations for Wednesday will be falling in the moderate range. The cause for the falling pollen levels is rising humidity, weakening winds and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air. The lower pollen levels are significant and should help allergy sufferers to cope tomorrow.