The Infectious risk has stayed within a narrow range over the last 12 weeks, showing no notable shift in recent weeks..
Allergy risk activity has been climbing over the past 12 weeks in Jersey, Illinois.
No Pollution activity has been reported over the past 12 weeks in Jersey, Illinois.
Weather risk activity has held steady over the past 12 weeks in Jersey, Illinois.
Last updated: August 24, 2026
Data refreshed weekly