The Infectious risk has trended steadily upward over the last 12 weeks, reaching a notably higher level in the most recent week compared to prior weeks..
Allergy risk activity has been increasing over the past 12 weeks in Clark, Ohio.
No Pollution activity has been reported over the past 12 weeks in Clark, Ohio.
Weather risk activity has held steady over the past 12 weeks in Clark, Ohio.
Last updated: August 24, 2026
Data refreshed weekly