The Infectious risk has stayed within a narrow range over the last 12 weeks, with high levels persisting through the latest week..
Allergy risk activity has remained stable over the past 12 weeks in Shelby, Illinois.
No Pollution activity has been reported over the past 12 weeks in Shelby, Illinois.
Weather risk activity has remained stable over the past 12 weeks in Shelby, Illinois.
Last updated: August 24, 2026
Data refreshed weekly