The Infectious risk has eased over the last 12 weeks, with the most recent week notably lower than earlier in the window..
Allergy risk activity has remained stable over the past 12 weeks in Hamilton, Ohio.
Pollution risk activity has been trending upward over the past 12 weeks in Hamilton, Ohio.
Weather risk activity has been trending upward over the past 12 weeks in Hamilton, Ohio.
Last updated: July 6, 2026
Data refreshed weekly