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