The Infectious risk has fallen noticeably over the past 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has been increasing over the past 12 weeks in Hardin, Illinois.
No Pollution activity has been reported over the past 12 weeks in Hardin, Illinois.
Weather risk activity has held steady over the past 12 weeks in Hardin, Illinois.
Last updated: August 31, 2026
Data refreshed weekly