New Hampshire landscape

New Hampshire

Population: 1.4M Updated Apr 20, 2026
Health Risks

COVID-19

Low
↓ Decreasing

COVID-19 is Low in Concord and Manchester.

Flu

Low
↓ Decreasing

Flu is Low in Concord and Manchester.

RSV

Low
→ Stable

RSV is Low in Concord and Manchester.

Infectious Diseases Risk

Low
↓ Decreasing

Infectious Diseases is Low in Concord and Manchester.

Allergy

High
↑ Increasing

Allergy is Moderate in Concord, and High in Manchester.

Pollution

Low
→ Stable

Pollution is Low in Concord and Manchester.

Severe Weather

Moderate
↓ Decreasing

Severe Weather is Moderate in Concord and Manchester.

Counties
Belknap Carroll Cheshire Coos Grafton Hillsborough Merrimack Rockingham Strafford Sullivan
Published by Hubbub World — health risk data for all US states and counties. Get the bub app for today's data and 30-day forecasts.

Frequently Asked Questions

What health risks does Hubbub World track for New Hampshire?
Hubbub World tracks seven health risks for New Hampshire: flu, COVID-19, RSV, infectious diseases overall, seasonal allergies, air pollution, and severe weather. Each risk is broken out by county and updated weekly. For today's risk levels and 30-day forecasts, get the bub app at https://bub.hubbubworld.com.
How often is New Hampshire health risk data updated?
Health risk data for New Hampshire is regenerated weekly. Each hub page shows the six most recent weekly snapshots — the most recently completed week and the five preceding weeks. Today's risk levels and 30-day forecasts are not on the web; they are exclusive to the bub app at https://bub.hubbubworld.com.
What methodology does Hubbub World use?
Hubbub World develops proprietary models on top of the underlying surveillance, environmental, and weather data to produce comparable risk scores across all U.S. counties. Each of the seven risks is reported on a four-point scale (Low, Moderate, High, Very High) so the scores are interpretable without needing the raw underlying numbers. The full methodology — including the modeling approach, validation against authoritative sources, and known limitations — is documented at https://www.hubbubworld.com/intelligence#methodology. The health risk data on Hubbub World is for informational purposes only and does not constitute medical advice. Always consult a healthcare professional for personal health decisions.
Where can I get today's health risk data for New Hampshire?
Today's health risk levels and 30-day forecasts for New Hampshire are exclusive to the bub app, available free on iOS, Android, and Apple Watch at https://bub.hubbubworld.com. The web hub is the historical archive — for live data and forward-looking forecasts, the bub app is the source of truth.
Does Hubbub World cover counties in New Hampshire?
Yes. Hubbub World tracks every county (and county-equivalent) in New Hampshire, with weekly historical risk data for each. County pages are linked from this state page. For today's data and 30-day forecasts at the county level, get the bub app at https://bub.hubbubworld.com.

Last updated: April 20, 2026

Data refreshed weekly

Get today's New Hampshire health risks — Download bub