Irwindale

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. High 309 acres · Local Responsibility Area 5%
  2. Moderate 258 acres · Local Responsibility Area 4%
  3. Non-wildland 3,787 acres · Local Responsibility Area 62%
  4. Not mapped by CAL FIRE 1,796 acres · Mostly federal land 29%

  6,151 acres of land in all, 4,355 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

  Fires CAL FIRE has recorded here

  Map
  1. 1928 Brush Flats No. 12 Fire 241 acres here
  2. 1928 Bradbury No. 62 Fire 227 acres in total 178 acres here
  3. 1929 Bonita No. 28 Fire 145 acres here
  4. 1929 Rock Pit No. 46 Fire 145 acres in total 52 acres here

  The most recent was the 1929 Rock Pit No. 46 Fire, which burned 52 acres here. In all, 564 acres of Irwindale 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