The Infectious risk has trended downward over the last 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has been easing over the past 12 weeks in Polk, Oregon.
No Pollution activity has been reported over the past 12 weeks in Polk, Oregon.
Weather risk activity has been increasing over the past 12 weeks in Polk, Oregon.
Last updated: July 6, 2026
Data refreshed weekly