AHS Index
January 2023
The AHS Index is a new way to look at data that illuminates a snapshot of our world today. It is intended to highlight health inequities and spark conversation, debate, and wonder.
Number of consecutive atmospheric rivers to hit California since December 26, 2022: 8
Percent of annual average rainfall to hit Oakland since the parade of atmospheric river events began: 69
Number of unhoused Californians who have been killed in the storm: 2
Motor vehicle accident-related injuries seen in AHS emergency departments in the 13 days since January 1, 2023: 167
-Source: AHS Quality & Performance Analytics –
Motor vehicle accident-related injuries seen in AHS emergency departments in the entire month of January 2022: 139
-Source: AHS Quality & Performance Analytics –
Increase in climate-skeptic disinformation on Twitter since the beginning of 2022: 700%
Percent of Twitter accounts spreading misinformation about the coronavirus pandemic that are likely bots masquerading as human: 45
Percent of American adults who say they have heard “nothing at all” about the updated COVID-19 vaccine booster that targets both the newer omicron variants: 20