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, outrage and wonder.

Hottest Bay Area temperature during last month’s Sep. 1 – 8 heatwave: 1161

Hottest local temperature ever recorded in the Bay Area: 1162

Number of patients seen at Highland Hospital, San Leandro Hospital and Alameda Hospital emergency departments during the heatwave for heat-related diagnosis: 163

Estimated number of people experiencing homelessness in Alameda County who were unsheltered during the triple-digit temperatures: 7,1354

Expected increase in the annual number of extreme heat days in the Bay Area by the year 2050: 15-405

Number of additional deaths per year climate change is expected to cause in the U.S. between 2030 and 2050: 250,0006

Temperature rise above pre-industrial levels that The Intergovernmental Panel on Climate Change says the world must not exceed to avert catastrophic health impacts and prevent millions of climate change-related deaths: 1.5°C7

Projected temperature rise by 2100 with policies presently in place around the world: 2.7°C8