The Infectious risk has held relatively steady over the past 12 weeks, with high levels persisting through the latest week..
Allergy risk activity has been trending upward over the past 12 weeks in Hampden, Massachusetts.
No Pollution activity has been reported over the past 12 weeks in Hampden, Massachusetts.
Weather risk activity has been decreasing over the past 12 weeks in Hampden, Massachusetts.
Last updated: August 24, 2026
Data refreshed weekly