The Infectious risk has held relatively steady over the last 12 weeks, showing no notable shift in recent weeks..
Allergy risk activity has been easing over the past 12 weeks in Worcester, Massachusetts.
Pollution risk activity has been trending upward over the past 12 weeks in Worcester, Massachusetts.
Weather risk activity has been climbing over the past 12 weeks in Worcester, Massachusetts.
Last updated: July 6, 2026
Data refreshed weekly