The Infectious risk has shown an upward trend over the last 12 weeks, reaching a notably higher level in the most recent week compared to prior weeks..
Allergy risk activity has been trending downward over the past 12 weeks in Calhoun, Illinois.
Pollution risk activity has been trending upward over the past 12 weeks in Calhoun, Illinois.
Weather risk activity has been increasing over the past 12 weeks in Calhoun, Illinois.
Last updated: July 6, 2026
Data refreshed weekly