The Infectious risk has remained broadly stable over the last 12 weeks, with high levels persisting through the latest week..
Allergy risk activity has been increasing over the past 12 weeks in Essex, New Jersey.
Pollution risk activity has been trending upward over the past 12 weeks in Essex, New Jersey.
Weather risk activity has been trending downward over the past 12 weeks in Essex, New Jersey.
Last updated: July 13, 2026
Data refreshed weekly