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