The Infectious risk has held relatively steady over the last 12 weeks, with moderate levels persisting through the latest week..
Allergy risk activity has been trending downward over the past 12 weeks in Yamhill, Oregon.
Pollution risk activity has been climbing over the past 12 weeks in Yamhill, Oregon.
Weather risk activity has been trending upward over the past 12 weeks in Yamhill, Oregon.
Last updated: August 31, 2026
Data refreshed weekly