Low Covid-19 risk in Callahan, Texas.
Low Flu risk in Callahan, Texas.
Low Rsv risk in Callahan, Texas.
Low Infectious risk in Callahan, Texas.
Low Allergy risk in Callahan, Texas.
Low Pollution risk in Callahan, Texas.
Low Weather risk in Callahan, Texas.
Last updated: April 20, 2026
Data refreshed weekly