4-1 Fire
Active
Modoc County, California · Discovered August 24, 2026
Source: CAL FIRE · Last upstream update 3 hours ago · Official incident page
4-1 Fire
The 4-1 Fire fire has burned 230 acres in Modoc County, California. Crews have reached 75% containment. It has shown no measurable growth in the last 24 hours. Air quality near the fire is good (AQI 44).
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Growth & containment history
| Recorded | Size | Contained |
|---|---|---|
| 8/28/2026, 2:16:45 AM | 230 acres | 75% |
| 8/27/2026, 6:16:58 PM | 230 acres | 70% |
| 8/27/2026, 1:47:58 AM | 230 acres | 50% |
| 8/26/2026, 5:35:41 PM | 230 acres | 25% |
| 8/26/2026, 2:09:23 AM | 230 acres | 15% |
| 8/26/2026, 12:20:34 AM | 470 acres | 15% |
| 8/25/2026, 2:03:58 PM | 470 acres | 10% |
| 8/25/2026, 5:04:04 AM | 470 acres | 5% |
| 8/25/2026, 4:39:04 AM | 470 acres | 0% |
| 8/25/2026, 4:34:04 AM | 470 acres | 5% |
| 8/25/2026, 4:14:04 AM | 470 acres | 0% |
| 8/25/2026, 4:04:04 AM | 470 acres | 5% |
| 8/25/2026, 3:04:04 AM | 470 acres | - |
| 8/25/2026, 2:59:03 AM | 407 acres | - |
| 8/25/2026, 12:33:51 AM | 50 acres | - |
| 8/24/2026, 11:28:51 PM | 20 acres | - |
History recorded by Fire Nearby each time upstream size or containment changes.
About this data
Fire Nearby aggregates official incident data and shows exactly when each value was last updated. For evacuation decisions, always follow instructions from local emergency officials and check county emergency management channels.