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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    CalHeatScore Live Data for API Use

    Metadata Updated: March 23, 2026

    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 increasing levels of health risks due to extreme heat at the zip code level. This layer contains the 7-day forecast of heat scores, updated daily at 5 and 8am Pacific Time. Click on this link to go directly to the CalHeatScore mapping tool. 

    Data Definitions for the layer:

    ·       ZIP_CODE = Zip code identifier

    ·       Date = Date associated with CHS Day 0

    ·       CHS Day 0 =  The CalHeatScore on the day associated with the Date field

    ·       CHS Day 1 =  The CalHeatScore one day after the day associated with the Date field

    ·       CHS Day 2 =  The CalHeatScore two days after the day associated with the Date field

    ·       CHS Day 3 =  The CalHeatScore three days after the day associated with the Date field

    ·       CHS Day 4 =  The CalHeatScore four days after the day associated with the Date field

    ·       CHS Day 5 =  The CalHeatScore five days after the day associated with the Date field

    ·       CHS Day 6 =  The CalHeatScore six days after the day associated with the Date field

    ·       Shape_Area = Area of zip code shape

    ·       Shape_Length = Length of zip code shape

    For more information, see the CalHeatScore mapping tool or contact CalHeatScore@oehha.ca.gov.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date March 23, 2026
    Metadata Updated Date March 23, 2026

    Metadata Source

    Harvested from State of California

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date March 23, 2026
    Metadata Updated Date March 23, 2026
    Publisher California Office of Environmental Health Hazard Assessment
    Maintainer
    Identifier e2ba6487-d133-4c19-aca6-49df564b911f
    Data First Published 2026-03-11T17:16:31.000Z
    Data Last Modified 2026-03-22T15:15:03.055Z
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 7028cf77-78c1-4622-9832-28542ca57c50
    Harvest Source Id 3ba8a0c1-5dc2-4897-940f-81922d3cf8bc
    Harvest Source Title State of California
    Source Datajson Identifier True
    Source Hash e15913c9012b2098f7eff85e29ac439a9ccc461ce6c59a7b5b12771248f2dc13
    Source Schema Version 1.1

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