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