The Infectious risk has remained broadly stable over the past 12 weeks, with the most recent week close to the 12-week average..
Allergy risk activity has stayed relatively flat over the past 12 weeks in Collin, Texas.
No Pollution activity has been reported over the past 12 weeks in Collin, Texas.
Weather risk activity has been trending upward over the past 12 weeks in Collin, Texas.
Last updated: July 6, 2026
Data refreshed weekly