The Infectious risk has remained broadly stable over the past 12 weeks, with the most recent week close to the 12-week average..
Allergy risk activity has been increasing over the past 12 weeks in Darke, Ohio.
Pollution risk activity has been trending upward over the past 12 weeks in Darke, Ohio.
Weather risk activity has been trending upward over the past 12 weeks in Darke, Ohio.
Last updated: July 6, 2026
Data refreshed weekly