Infectious risk activity has been decreasing over the past 12 weeks in New Haven, Connecticut.
Allergy risk activity has been increasing over the past 12 weeks in New Haven, Connecticut.
Pollution risk activity has been decreasing over the past 12 weeks in New Haven, Connecticut.
Weather risk activity has been increasing over the past 12 weeks in New Haven, Connecticut.
Last updated: May 25, 2026
Data refreshed weekly