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