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