The Infectious risk has risen noticeably over the past 12 weeks, ending the period at its highest level..
Allergy risk activity has remained stable over the past 12 weeks in Guernsey, Ohio.
No Pollution activity has been reported over the past 12 weeks in Guernsey, Ohio.
Weather risk activity has held steady over the past 12 weeks in Guernsey, Ohio.
Last updated: August 24, 2026
Data refreshed weekly