The Infectious risk has held relatively steady over the past 12 weeks, with high levels persisting through the latest week..
Allergy risk activity has been trending upward over the past 12 weeks in Fond du Lac, Wisconsin.
Pollution risk activity has been trending upward over the past 12 weeks in Fond du Lac, Wisconsin.
Weather risk activity has been climbing over the past 12 weeks in Fond du Lac, Wisconsin.
Last updated: July 13, 2026
Data refreshed weekly