The Infectious risk has remained broadly stable over the last 12 weeks, showing no notable shift in recent weeks..
Allergy risk activity has held steady over the past 12 weeks in Callahan, Texas.
No Pollution activity has been reported over the past 12 weeks in Callahan, Texas.
Weather risk activity has been trending upward over the past 12 weeks in Callahan, Texas.
Last updated: July 6, 2026
Data refreshed weekly