San Diego
Health Risks Prevalence
Infectious Diseases
↓ Falling Low
Infectious illness is Low and easing across the San Diego area. Fourth straight week at Low. About the same as California's metro areas overall.
Allergy
↓ Falling Low
Allergies are Low and easing across the San Diego area. Third straight week at Low. About the same as California's metro areas overall.
Pollution
↓ Falling Low
Air pollution is Low and easing across the San Diego area. Second straight week at Low. About the same as California's metro areas overall.
Severe Weather
↑ Rising Extreme
Severe weather is Extreme and climbing across the San Diego area — up from Low last week. Above California's metro areas overall.
Published by Hubbub World — nationwide health risk monitoring.
Get the bub app for real-time risks, forecasts and alerts.
Get the bub app for real-time risks, forecasts and alerts.
Frequently Asked Questions
What does Hubbub track for the San Diego area?
Hubbub tracks 100+ health risks for the San Diego area, including infectious diseases, allergies, pollution and severe weather. Each is reported weekly as the number of people affected in a typical neighborhood across the metro area. Current risk levels, forecasts and alerts for the San Diego area are exclusive to the bub app, available free on iOS, Android, and Apple Watch at https://bub.hubbubworld.com.
How often is San Diego area data updated?
Data for the San Diego area is published weekly. This page shows the 4 most recent weeks. For today's levels and 30-day forecasts, 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 data for the San Diego area?
Current risk levels, forecasts and alerts for San Diego 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.
Last updated: November 9, 2026
Data refreshed weekly