The Infectious risk has trended steadily upward over the last 12 weeks, with the most recent week notably higher than earlier in the window..
Allergy risk activity has been climbing over the past 12 weeks in Boone, Illinois.
Pollution risk activity has been trending upward over the past 12 weeks in Boone, Illinois.
Weather risk activity has been climbing over the past 12 weeks in Boone, Illinois.
Last updated: July 6, 2026
Data refreshed weekly