Current data quality grade
To help the public understand how well each state is performing, we have assigned each state a data-quality grade based on our assessment of the completeness of their reporting. Learn more
Alaska combines PCR and antigen tests in the total tests figure reported on the state's dashboard.
Alaska reports a "Total count" of people who have been hospitalized, but we do not record that count in our Ever hospitalized metric, since it does not include people who are currently in the hospital.
As of July 16, 2020, we are reporting non-resident cases as part of Cases or Positive PCR tests (people) for Alaska.
As of September 18, 2020, Alaska's total test results are drawn from our
totalTestsViral field instead of calculated via positive+negative.
Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.
New tests (Calculated)Total PCR tests (specimens)
New cases (Calculated)
New deaths (Calculated)
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 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) testsHistorical data for viral (PCR) tests
(in test encounters)