Thorn Fire
Active
San Diego County, California · Discovered July 15, 2026
1,234 acres
Size
100%
Contained
-
24h growth
52
Personnel
Source: NIFC/IRWIN (interagency) · Last upstream update 4 hours ago
Current situation
Thorn Fire
Air quality · Moderate
AQI 77
The Thorn Fire fire has burned 1,234 acres in San Diego County, California. Crews have fully contained the fire. Air quality near the fire is moderate (AQI 77). 52 personnel are assigned to the incident.
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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.