The Infectious risk has held relatively steady over the last 12 weeks, with moderate levels persisting through the latest week..
Allergy risk activity has held steady over the past 12 weeks in Oregon, Missouri.
No Pollution activity has been reported over the past 12 weeks in Oregon, Missouri.
Weather risk activity has remained stable over the past 12 weeks in Oregon, Missouri.
Last updated: August 31, 2026
Data refreshed weekly