The Infectious risk has shown a gradual increase over the last 12 weeks, ending the period at its highest level..
Allergy risk activity has held steady over the past 12 weeks in Williams, Ohio.
No Pollution activity has been reported over the past 12 weeks in Williams, Ohio.
Weather risk activity has been decreasing over the past 12 weeks in Williams, Ohio.
Last updated: August 24, 2026
Data refreshed weekly