The Infectious risk has held relatively steady over the past 12 weeks, with high levels persisting through the latest week..
Allergy risk activity has stayed relatively flat over the past 12 weeks in Delaware, Ohio.
Pollution risk activity has been trending upward over the past 12 weeks in Delaware, Ohio.
Weather risk activity has been trending upward over the past 12 weeks in Delaware, Ohio.
Last updated: July 6, 2026
Data refreshed weekly