āCalifornia has a blueprint for reducing COVID-19 in the state with revised criteria for loosening and tightening restrictions on activities. Each week, CDPH releases the tier status of each county with a data chart showing county tier status, date of tier assignment, number of consecutive weeks meeting the next tier's criteria, case rates, adjusted case rate for tier assignment, testing positivity, and test rates. The most recent data chart can be found on the Blueprint for a Safer Economy page. Data charts from past weeks are archived below.
April
March
February
January
December
November
October
September