Methane Leaks
Oil & gas · 31 May 2025

Methane plume detected in Iran

On 31 May 2025, the Sentinel-2 - ESA satellite saw methane escaping at about 12,397 kg/h from an oil & gas site.

Satellite map of methane plume locations in Iran
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →

12,397 kg/h
± 4,861 kg/h (UNEP uncertainty)

If it continued at this rate for 24 hours it would release about 298 tonnes of methane.

Detected
31 May 2025 · 07:16 UTC
Satellite
Sentinel-2 - ESA
Sector
Oil & gas
Wind
Plume drifting towards the E · 4.9 m/s
Coordinates
30.99505, 49.94787
Open in Google Maps (satellite)
UNEP plume ID
1911f476-4d8d-4f75-889e-81a16403840d

Likely operator

National Iranian South Oil Company Plausible

NISOC, a NIOC subsidiary, operates the Khuzestan onshore fields (Ahvaz, Marun, Aghajari, Gachsaran).

Emitting site

IRN_S_001 · Flare
94 plumes detected at this site

Status

UNEP notified the government about this plume.

Nobody has reported contacting the operator through Methane Leaks yet.

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Cite as: UNEP IMEO MARS plume 1911f476-4d8d-4f75-889e-81a16403840d, via Methane Leaks (https://www.methaneleaks.com/plume/1911f476-4d8d-4f75-889e-81a16403840d), accessed 5 Oct 2026.