Feed checks and source-record updates do not necessarily mean fire conditions changed. Figures below reflect the last recorded incident report.
The last recorded incident change is more than 14 days old or undated. Historical fire behavior and summaries below are not confirmation of current conditions.
Automated summary generated: Sep 24, 2026 19:25 UTC. It may lag behind the report and is not an official alert.
The Fosforo wildfire, located in Lajas County, Puerto Rico, was first discovered on June 20, 2026, and as of the latest update on September 24, 2026, it has burned approximately 100 acres. The cause remains undetermined and no jurisdictional agency has been identified. Current fire behavior and containment status are not reported, indicating that the fire is still active with no official containment percentage. Over the timeline, the fire has maintained a steady size of 100 acres with no reported changes in containment or personnel deployment. The incident remains active and continues to be monitored by relevant authorities.
Historical observations from incident reports, not a live forecast. Acreage and containment can decrease when agencies correct their estimates.
1
100 acres
100 acres
Latest available source report: Sep 24, 2026 19:20 UTC. This is the report date, not confirmation of current fire conditions.
There are not enough distinct dated measurements to establish a documented progression for this incident.
| Report date (UTC) | Acres | Containment | Source |
|---|---|---|---|
| Sep 24, 2026 19:20 | 100 | Not reported | NIFC |
Current air quality readings are unavailable for this incident. Older readings are not shown as current conditions.
Check current air quality on AirNow.gov βAny automated community or travel summary below may be outdated.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: {043D65A0-543E-4682-BDAA-7F1FB91F1076}
Discovered: Jun 20, 2026
Cause: Undetermined
Coordinates: 17.9913, -67.0647
Other wildfires no longer present in our filtered incident feed in PR.
The Fosforo Fire has burned 100 acres as of September 24, 2026.
Containment has not been officially reported for the Fosforo Fire.
The official cause has been listed as: Undetermined.
The Fosforo Fire is burning in Lajas, PR.
The Fosforo Fire is no longer in our filtered incident feed. This alone does not confirm extinguishment.
Real-time map, acreage, and containment for every major U.S. wildfire, updated from official NIFC data.
View Live Map →