Azusa

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 1,697 acres · Local Responsibility Area 27%
  2. High 125 acres · Local Responsibility Area 2%
  3. Moderate 235 acres · Local Responsibility Area 4%
  4. Non-wildland 3,878 acres · Local Responsibility Area 63%
  5. Not mapped by CAL FIRE 255 acres · Mostly federal land 4%

  6,191 acres of land in all, 5,936 of it in the Local Responsibility Area. State zones are the ones the State Fire Marshal designated, in effect since April 1, 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones

• Fire history

  The 10 largest of 29 fires that burned here

  Map
  1. 1968 Canyon Inn Fire 19,056 acres in total 850 acres here
  2. 1980 Stable Fire 6,049 acres in total 777 acres here
  3. 1958 Unnamed fire 13,944 acres in total 687 acres here
  4. 1924 San Gabriel Fire 43,050 acres in total 638 acres here
  5. 2016 Fish Fire 4,246 acres in total · Cause: Miscellaneous 573 acres here
  6. 1947 Azusa No. 112 Fire 350 acres here
  7. 2014 Colby Fire 1,952 acres in total · Cause: Campfire 294 acres here
  8. 1997 Canyon Ii Fire 3,825 acres in total 214 acres here
  9. 1943 Azusa No. 42 Fire 188 acres here
  10. 1942 Hiyon #135/Vantasell Fire 184 acres in total 182 acres here

  And 19 smaller fires. The most recent was the 2022 Ridge Fire, which burned 5 acres here. In all, 1,832 acres of Azusa have burned. Acres are the land each fire burned here, and fires that crossed less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history