California Overview
- Notes, data anomalies, and official cautions for California
- Data sources and screenshots for California
Current data completeness grade:
Key Metrics
New tests Total PCR tests (specimens)
New cases
Current hospitalizations
New deaths
We calculate daily changes based on the data states report each day. Some states report new cases, tests, and deaths using other methods. Please consult official state data sources for more information. We chart “New tests” using different units across jurisdictions, because not all states and territories report tests in the same units. Learn more about total test units and see what we chart for each jurisdiction in our total tests documentation.
We do not have a complete dataset for every metric in every state. If we have data for less than 30% of the past 90 days for a given metric, you’ll see a warning instead of a chart for that metric.
All the data for these charts is available for download. You can also review tabular national data on our US historical data page and data for each state and territory on the individual state or territory’s overview page.
Viral (PCR) tests
California viral (PCR) testing Historical data(test encounters)
(specimens)
(people)
Antigen tests
California antigen testing Historical dataWarning: Antigen reporting may significantly understate the true number of tests administered
Antibody tests
California antibody testing Historical dataHospitalization
California hospitalization Historical dataHospitalization (HHS data)
See this HHS hospitalization data on a map.
This data is published by HHS.
Long-term care (LTC)
California long-term care datafrom LTC facilities31.7%
Race & ethnicity data
We compute the number of cases and deaths per 100k people for each race and ethnicity.
These numbers show the scale of outcomes compared to the size of each group’s population. These are not the number of cases or deaths, rather the proportion of each demographic group who have been affected.
Race & ethnicity: cases per capita
(All data is calculated)
Race & ethnicity: deaths per capita
(All data is calculated)
Our latest tweets about California
Our twitter handle is 
@COVID19Tracking
We have seen nationwide decreases in all the 7-day averages of all four metrics. Many states are reporting a decrease in the number of new cases per million people, though CA, VA and SC reported more than 1,000 new cases per million today.
January 17, 2021
Our eyes are on 5 states this week: AL, AZ, CA, GA, and FL―where surges in cases, hospitalizations, and deaths are steadily growing. Alarmingly, AZ currently has the worst per-capita new case numbers in the world.
January 15, 2021
Hospitalizations in CA continue to skyrocket. There are 22,633 people currently hospitalized with COVID-19 in the state.
January 12, 2021
California’s data continues to show the dire state of the pandemic there. With 695 deaths reported today, the state is averaging more than 410 deaths and nearly 40k new cases a day. One in 105 people in CA have tested positive for COVID-19 in 2021.
January 10, 2021
Hospitalizations in CA and AZ are increasing at an alarming rate. AZ has far surpassed their summer surge.
January 9, 2021