Feed checks and source-record updates do not necessarily mean fire conditions changed. Figures below reflect the last recorded incident report.
Automated summary generated: Nov 5, 2026 22:45 UTC. It may lag behind the report and is not an official alert.
The Aspen Acres wildfire in Custer County, Colorado, was first discovered on 2026-06-29 and reported to NIFC on 2026-08-06. By 2026-08-24 the fire had expanded to 102,004 acres and was 77% contained, with an estimated cost of $104.7β―million. Containment increased to 82% by 2026-09-20 and reached 96% by 2026-10-29, while the acreage remained at 102,007 acres.
Official source description: 20 Miles SW from Pueblo, CO
Minimal; Creeping; Smoldering; Single Tree Torching
Historical observations from incident reports, not a live forecast. Acreage and containment can decrease when agencies correct their estimates.
46
101,961 acres
102,007 acres
Latest available source report: Oct 29, 2026 18:03 UTC. This is the report date, not confirmation of current fire conditions.
Reported acreage increased by 46 acres between the first and last available acreage measurements. Recorded containment rose by 28.0 percentage points, from 68.0% (Aug 6, 2026) to 96.0% (Oct 29, 2026), using the first and last reports with a known containment value.
| Report date (UTC) | Acres | Containment | Source |
|---|---|---|---|
| Aug 6, 2026 20:32 | 101,961 | 68.0% | NIFC |
| Aug 7, 2026 07:13 | 101,965 | 71.0% | NIFC |
| Aug 7, 2026 23:20 | 101,965 | 72.0% | NIFC |
| Aug 11, 2026 00:00 | 102,004 | 72.0% | NIFC |
| Aug 21, 2026 00:20 | 102,004 | 77.0% | NIFC |
| Aug 27, 2026 00:00 | 102,004 | 82.0% | NIFC |
| Oct 6, 2026 16:40 | 102,007 | 82.0% | NIFC |
| Oct 13, 2026 21:24 | 102,007 | 90.0% | NIFC |
| Oct 22, 2026 23:39 | 102,007 | 94.0% | NIFC |
| Oct 29, 2026 18:03 | 102,007 | 96.0% | NIFC |
| Report date (UTC) | Acres | Containment | Source |
|---|---|---|---|
| Aug 6, 2026 20:32 | 101,961 | 68.0% | NIFC |
| Aug 7, 2026 07:13 | 101,965 | 71.0% | NIFC |
| Aug 7, 2026 23:20 | 101,965 | 72.0% | NIFC |
| Aug 8, 2026 23:40 | 101,965 | 72.0% | NIFC |
| Aug 10, 2026 00:20 | 101,965 | 72.0% | NIFC |
| Aug 11, 2026 00:00 | 102,004 | 72.0% | NIFC |
| Aug 11, 2026 23:20 | 102,004 | 72.0% | NIFC |
| Aug 12, 2026 23:00 | 102,004 | 72.0% | NIFC |
| Aug 14, 2026 00:20 | 102,004 | 72.0% | NIFC |
| Aug 14, 2026 23:00 | 102,004 | 72.0% | NIFC |
| Aug 16, 2026 00:00 | 102,004 | 72.0% | NIFC |
| Aug 17, 2026 16:40 | 102,004 | 72.0% | NIFC |
| Aug 17, 2026 23:00 | 102,004 | 72.0% | NIFC |
| Aug 19, 2026 22:20 | 102,004 | 72.0% | NIFC |
| Aug 21, 2026 00:20 | 102,004 | 77.0% | NIFC |
| Aug 22, 2026 00:00 | 102,004 | 77.0% | NIFC |
| Aug 23, 2026 00:00 | 102,004 | 77.0% | NIFC |
| Aug 24, 2026 00:00 | 102,004 | 77.0% | NIFC |
| Aug 24, 2026 23:20 | 102,004 | 77.0% | NIFC |
| Aug 25, 2026 22:40 | 102,004 | 77.0% | NIFC |
| Aug 27, 2026 00:00 | 102,004 | 82.0% | NIFC |
| Aug 27, 2026 23:40 | 102,004 | 82.0% | NIFC |
| Aug 28, 2026 22:20 | 102,004 | 82.0% | NIFC |
| Aug 30, 2026 01:40 | 102,004 | 82.0% | NIFC |
| Aug 30, 2026 22:20 | 102,004 | 82.0% | NIFC |
| Aug 31, 2026 22:00 | 102,004 | 82.0% | NIFC |
| Sep 2, 2026 22:40 | 102,004 | 82.0% | NIFC |
| Sep 3, 2026 23:20 | 102,004 | 82.0% | NIFC |
| Sep 5, 2026 22:40 | 102,004 | 82.0% | NIFC |
| Sep 7, 2026 23:00 | 102,004 | 82.0% | NIFC |
| Sep 9, 2026 21:40 | 102,004 | 82.0% | NIFC |
| Sep 11, 2026 01:00 | 102,004 | 82.0% | NIFC |
| Sep 11, 2026 21:20 | 102,004 | 82.0% | NIFC |
| Sep 12, 2026 22:40 | 102,004 | 82.0% | NIFC |
| Sep 13, 2026 23:00 | 102,004 | 82.0% | NIFC |
| Sep 16, 2026 00:40 | 102,004 | 82.0% | NIFC |
| Sep 18, 2026 00:40 | 102,004 | 82.0% | NIFC |
| Sep 18, 2026 21:00 | 102,004 | 82.0% | NIFC |
| Sep 20, 2026 22:40 | 102,004 | 82.0% | NIFC |
| Oct 2, 2026 20:00 | 102,004 | 82.0% | NIFC |
| Oct 6, 2026 16:40 | 102,007 | 82.0% | NIFC |
| Oct 8, 2026 23:00 | 102,007 | 82.0% | NIFC |
| Oct 10, 2026 23:42 | 102,007 | 82.0% | NIFC |
| Oct 13, 2026 21:24 | 102,007 | 90.0% | NIFC |
| Oct 22, 2026 23:39 | 102,007 | 94.0% | NIFC |
| Oct 29, 2026 18:03 | 102,007 | 96.0% | NIFC |
Good air quality at the reporting station. AQI does not assess fire danger, road access or evacuation status.
Reporting area: Not reported. Source: AirNow.gov (EPA).
Observed: 2026-11-08 01:00:00 UTC Β· Site: Pueblo West.
Any automated community or travel summary below may be outdated. It is not a live evacuation or road-closure notice.
Verify evacuation orders, closures and access with the responsible fire agency, county emergency management or sheriff. A containment percentage, feed status or AQI reading does not establish that an area is safe to enter.
NIFC fire information and official resources βIRWIN ID: {1CDF5E5A-F22E-4352-A582-C2A47663B93D}
Discovered: Jun 29, 2026
Cause: Human
Est. Cost to Date: $103,600,000
Coordinates: 38.0193, -105.0713
Other wildfires no longer present in our filtered incident feed in CO.
The Aspen Acres Fire has burned 102,007 acres as of October 29, 2026.
As of the latest update, the Aspen Acres Fire is 96% contained.
The official cause has been listed as: Human.
The Aspen Acres Fire is burning in Custer, CO.
The Aspen Acres Fire currently meets our U.S. incident tracking criteria. This does not confirm current fire behavior.
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