Infectious risk activity has been decreasing over the past 12 weeks in Iroquois, Illinois.
Allergy risk activity has been increasing over the past 12 weeks in Iroquois, Illinois.
No Pollution activity has been reported over the past 12 weeks in Iroquois, Illinois.
Weather risk activity has been increasing over the past 12 weeks in Iroquois, Illinois.
Last updated: May 25, 2026
Data refreshed weekly