The Infectious risk has remained broadly stable over the last 12 weeks, showing no notable shift in recent weeks..
Allergy risk activity has been increasing over the past 12 weeks in Randolph, Illinois.
No Pollution activity has been reported over the past 12 weeks in Randolph, Illinois.
Weather risk activity has been easing over the past 12 weeks in Randolph, Illinois.
Last updated: August 24, 2026
Data refreshed weekly