The Infectious risk has stayed within a narrow range over the past 12 weeks, with high levels persisting through the latest week..
Allergy risk activity has been decreasing over the past 12 weeks in Williamson, Texas.
No Pollution activity has been reported over the past 12 weeks in Williamson, Texas.
Weather risk activity has been climbing over the past 12 weeks in Williamson, Texas.
Last updated: July 6, 2026
Data refreshed weekly