New Hampshire landscape

New Hampshire

Population: 1.4M Updated Nov 9, 2026
Health Risks Prevalence

Infectious Diseases

↓ Decreasing Low

Infectious Diseases prevalence is Low in Concord and Manchester.

Allergy

→ Stable Low

Allergy prevalence is Low in Concord and Manchester.

Pollution

→ Stable Low

Pollution prevalence is Low in Concord and Manchester.

Severe Weather

→ Stable Low

Severe Weather prevalence is Low in Concord and Manchester.

Metros in New Hampshire
Boston Manchester
Published by Hubbub World — nationwide health risk monitoring.
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Frequently Asked Questions

What health risks does Hubbub track for New Hampshire?
Hubbub tracks 100+ health risks for New Hampshire, including flu, COVID-19, RSV, allergies, pollution and severe weather. Hub pages provide an overview of the prevalence of these risks. For real-time risks, forecasts and alerts, get the bub app at https://bub.hubbubworld.com.
How often is New Hampshire health risk data updated?
The health risk hub pages for New Hampshire are published weekly. Each hub page shows the 4 most recent weekly snapshots — the most recently completed week and the 3 preceding weeks. For real-time risks, forecasts and alerts, get the bub app at https://bub.hubbubworld.com.
What methodology does Hubbub use?
Hubbub develops proprietary models on top of geographic, demographic, environmental, surveillance and weather data to produce prevalence scores across the U.S. Prevalence is reported on a five-point scale (Low, Moderate, High, Very High, Extreme) 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 the Hubbub website 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?
Current risk levels, forecasts and alerts for New Hampshire are exclusive to the bub app, available free on iOS, Android, and Apple Watch at https://bub.hubbubworld.com. This web page is the 4-week historical archive of prevalence — the bub app is where today's data and forecasts live.
Does Hubbub cover cities in New Hampshire?
Yes. Hubbub tracks every metro in New Hampshire, and publishes weekly historical prevalence data in the hub web pages. Metro pages are linked from this state page. For real-time risks, forecasts and alerts, get the bub app at https://bub.hubbubworld.com.

Last updated: November 9, 2026

Data refreshed weekly

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