The Infectious risk has climbed over the last 12 weeks, reaching a notably higher level in the most recent week compared to prior weeks..
Allergy risk activity has been trending downward over the past 12 weeks in St.
Pollution risk activity has been climbing over the past 12 weeks in St.
Weather risk activity has been trending upward over the past 12 weeks in St.
Last updated: July 6, 2026
Data refreshed weekly