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: Aug 21, 2026 18:39 UTC. It may lag behind the report and is not an official alert.
The Montalva wildfire was discovered on August 1, 2026, in Guรกnica County, Puerto Rico, at latitude 17.9681 and longitude -66.9734. As of the latest update on August 20, 2026, the fire has burned 28 acres with no containment reported and no personnel or cost information available. The cause remains undetermined and the jurisdictional agency is not specified. Current fire behavior data is not provided, so the situation remains largely unknown beyond the initial acreage.
Historical observations from incident reports, not a live forecast. Acreage and containment can decrease when agencies correct their estimates.
1
28 acres
28 acres
Latest available source report: Aug 20, 2026 21:55 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 |
|---|---|---|---|
| Aug 20, 2026 21:55 | 28 | 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Check current air quality on AirNow.gov โAny automated community or travel summary below may be outdated.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 โIRWIN ID: {5A550331-7EC5-4A95-8389-112FFE5EA8C3}
Discovered: Aug 1, 2026
Cause: Undetermined
Coordinates: 17.9681, -66.9734
Other wildfires no longer present in our filtered incident feed in PR.
The Montalva Fire has burned 28 acres as of August 20, 2026.
Containment has not been officially reported for the Montalva Fire.
The official cause has been listed as: Undetermined.
The Montalva Fire is burning in Guรกnica, PR.
The Montalva Fire is no longer in our filtered incident feed. This alone does not confirm extinguishment.
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