Los Angeles
Health Risks Prevalence
Infectious Diseases
↓ Falling Moderate
Infectious illness is Moderate and easing across the Los Angeles area. The highest of the eight California metro areas with data this week.
Allergy
→ Steady Low
Allergies are Low and steady across the Los Angeles area.
Pollution
→ Steady Low
Air pollution is Low and steady across the Los Angeles area.
Severe Weather
↑ Rising Extreme
Severe weather is Extreme and climbing across the Los Angeles area — up from Low last week. The highest of the eight California metro areas with data this week.
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 Los Angeles area?
Hubbub tracks 100+ health risks for the Los Angeles 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 Los Angeles area are exclusive to the bub app, available free on iOS, Android, and Apple Watch at https://bub.hubbubworld.com.
How often is Los Angeles area data updated?
Data for the Los Angeles 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 Los Angeles area?
Current risk levels, forecasts and alerts for Los Angeles 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