Colorado Fire
Active
Mariposa County, California · Discovered September 1, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 1 hour ago · Official incident page
Colorado Fire
The Colorado Fire fire has burned 171 acres in Mariposa County, California. Officials have not reported a containment figure yet. Air quality near the fire is good (AQI 45).
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Growth & containment history
| Recorded | Size | Contained |
|---|---|---|
| 9/1/2026, 10:39:00 PM | 171 acres | - |
| 9/1/2026, 9:04:07 PM | 10 acres | - |
| 9/1/2026, 8:40:56 PM | 0.0 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.