The Infectious risk has shown an upward trend over the last 12 weeks, ending the period at its highest level..
Allergy risk activity has stayed relatively flat over the past 12 weeks in Belknap, New Hampshire.
No Pollution activity has been reported over the past 12 weeks in Belknap, New Hampshire.
Weather risk activity has been easing over the past 12 weeks in Belknap, New Hampshire.
Last updated: August 24, 2026
Data refreshed weekly