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State of California Open Data

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3 datasets

High Hazard Zones Viewer App

  • Published by: CAL FIRE
  • Last updated: Tuesday, May 12, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

From 2012-2015 California faced the worst epidemic of tree mortality in modern history. Multiple years of drought, combined with an infestation of nat...

California High Hazard Zones (Tier 1)

  • Published by: CAL FIRE
  • Last updated: Tuesday, May 12, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

On October 30, 2015 Governor Brown issued an emergency declaration requiring public agencies to identify areas of tree mortality that hold the greates...

California High Hazard Zones (Tier 2)

  • Published by: CAL FIRE
  • Last updated: Tuesday, May 12, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

On October 30, 2015 Governor Brown issued an emergency declaration requiring public agencies to identify areas of tree mortality that hold the great...

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