The Infectious risk has held relatively steady over the past 12 weeks, showing no notable shift in recent weeks..
Allergy risk activity has held steady over the past 12 weeks in Clay, Illinois.
No Pollution activity has been reported over the past 12 weeks in Clay, Illinois.
Weather risk activity has stayed relatively flat over the past 12 weeks in Clay, Illinois.
Last updated: August 24, 2026
Data refreshed weekly