The Infectious risk has fallen noticeably over the past 12 weeks, bringing current levels down from earlier weeks..
Allergy risk activity has been increasing over the past 12 weeks in Suffolk, Massachusetts.
Pollution risk activity has been increasing over the past 12 weeks in Suffolk, Massachusetts.
Weather risk activity has been increasing over the past 12 weeks in Suffolk, Massachusetts.
Last updated: July 6, 2026
Data refreshed weekly