The Infectious risk has shown little change over the last 12 weeks, with the most recent week close to the 12-week average..
Allergy risk activity has held steady over the past 12 weeks in Decatur, Tennessee.
Pollution risk activity has been decreasing over the past 12 weeks in Decatur, Tennessee.
Weather risk activity has held steady over the past 12 weeks in Decatur, Tennessee.
Last updated: August 31, 2026
Data refreshed weekly