CalHeatScore Live Data for API Use

• Published by: California Office of Environmental Health Hazard Assessment
• Last updated: Friday, March 6, 2026
• File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

CalHeatScore is a heat-health ranking system that translates 7-day weather forecasts into easy-to-understand heat scores ranging from 0-4 to indicate ...