Corona

City in Riverside County

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Report created October 27, 2026 at www.firezones.info/community/16350/corona

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    29% Very High

    Most of the Very High land is in the Local Responsibility Area, where the City of Corona adopts the zones CAL FIRE recommends.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    32% has burned

    Most recently the 2020 Airport Fire, which burned 354 acres here, one of 49 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    15% Extreme

    Utilities may shut off power in the CPUC High Fire-Threat District in fire weather, and homes outside it can lose power when their lines run through it.

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Land by hazard class

  1. Very High 7,486 acres · 15 state, 7,471 local 29%
  2. High 1,362 acres · <1 state, 1,362 local 5%
  3. Moderate 1,215 acres · <1 state, 1,215 local 5%
  4. Non-wildland 14,360 acres · Local Responsibility Area 56%
  5. Not mapped by CAL FIRE 1,128 acres · Mostly federal land 4%

25,552 acres of land in all, 15 in the State Responsibility Area and 24,408 in the Local. State zones are the ones the State Fire Marshal designated, in effect since 1 April 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

Largest fires

  1. 1967 Paseo Grande Fire Of 51,077 acres in all 2,042 acres
  2. 1979 Paseo Fire Of 3,644 acres in all 1,610 acres
  3. 1983 Fresno #3 Fire Of 1,619 acres in all · Cause: Arson 1,348 acres
  4. 1990 Bedford Fire Of 3,991 acres in all · Cause: Miscellaneous 1,116 acres
  5. 1983 Mckinley Fire Of 1,607 acres in all · Cause: Playing with fire 802 acres
  6. 1975 Unnamed fire Of 1,954 acres in all 751 acres
  7. 2010 Mckinley Fire Of 1,028 acres in all · Cause: Equipment use 747 acres
  8. 1977 Mine Fire Of 4,956 acres in all 732 acres
  9. 1983 Fresno #2 Fire Cause: Arson 642 acres
  10. 1923 Unnamed fire Of 924 acres in all 641 acres

And 39 smaller fires. In all, 8,062 acres of Corona 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

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published 27 June 2025, local map 2 February 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Power line fire risk
California Public Utilities Commission
Published 23 February 2026

This site is independent and not affiliated with CAL FIRE or the CPUC, so for an official determination, check with the agency or your city or county. How we read the data

Nearby areas

ZIP codes in Corona

Neighboring communities

  1. Corona 29% Very High · this area
  2. Anaheim 18% Very High
  3. Chino Hills 73% Very High
  4. Coronita 3% Moderate · 3% Very High
  5. Eastvale 6% Moderate · 3% Very High
  6. El Cerrito 60% Very High
  7. El Sobrante 73% Very High
  8. Home Gardens 50% Very High
  9. Norco 24% Very High
  10. Riverside 21% Very High
  11. Temescal Valley 80% Very High
  12. Yorba Linda 37% Very High