The Infectious risk has trended downward over the past 12 weeks, bringing current levels down from earlier weeks..
Allergy risk activity has been increasing over the past 12 weeks in Multnomah, Oregon.
No Pollution activity has been reported over the past 12 weeks in Multnomah, Oregon.
Weather risk activity has been trending upward over the past 12 weeks in Multnomah, Oregon.
Last updated: July 6, 2026
Data refreshed weekly