"This incident is notable for its rapid growth from 250 to 368 acres within a day and the swift containment achieved within a week, demonstrating effective resource deployment and fire suppression efforts."
The Mount Emma wildfire, located in Mohave County, Arizona, was first discovered on 2026-08-29 and is currently active under the jurisdiction of the National Park Service. The fire grew from 250 acres on 2026-08-31 to 368 acres by 2026-09-01, with no containment initially. Over the next several days the fire remained at 368 acres, with personnel increasing from 51 to 58, and fire behavior described as moderate, creeping and later backing. By 2026-09-04 containment reached 50%, and by 2026-09-05 it had increased to 70% with minimal smoldering behavior. The fire was fully contained at 100% on 2026-09-07, with personnel reduced to 16.
Official source description: 60 Miles NW from South Rim Grand Canyon NP, AZ
Minimal; Smoldering; Backing; Creeping
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Grand Canyon National Park. Source: AirNow.gov (EPA).
The fire is now fully contained and behavior is minimal; general wildfire safety guidance applies, but remain aware of potential for re-ignition in dry conditions.
IRWIN ID: {7E5C6440-6A00-4EB7-A9E4-3B302D545F58}
Discovered: Aug 29, 2026
Cause: Undetermined
Managing Agency: NPS
Est. Cost to Date: $1
Coordinates: 36.2728, -113.1695
Other wildfires that have recently been contained or dropped from official tracking in AZ.
The Mount Emma Fire has burned 368 acres as of September 7, 2026.
Yes, the Mount Emma Fire is fully contained (100%).
The official cause has been listed as: Undetermined.
The Mount Emma Fire is burning in Mohave, AZ.
Yes, as of the latest official update, the Mount Emma Fire remains active.
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