The Infectious risk has shown a gradual decrease over the past 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has been decreasing over the past 12 weeks in Callahan, Texas.
Pollution risk activity has been climbing over the past 12 weeks in Callahan, Texas.
Weather risk activity has been decreasing over the past 12 weeks in Callahan, Texas.
Last updated: August 24, 2026
Data refreshed weekly