The Infectious risk has stayed within a narrow range over the last 12 weeks, showing no notable shift in recent weeks..
Allergy risk activity has been climbing over the past 12 weeks in Richland, Ohio.
Pollution risk activity has been trending upward over the past 12 weeks in Richland, Ohio.
Weather risk activity has been climbing over the past 12 weeks in Richland, Ohio.
Last updated: July 6, 2026
Data refreshed weekly