Methane Leaks
Oil & gas · 23 Sep 2025

Methane plume detected in Iran

On 23 Sep 2025, the Sentinel-2 - ESA satellite saw methane escaping at about 5,781 kg/h from an oil & gas site.

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

5,781 kg/h
± 2,354 kg/h (UNEP uncertainty)

If it continued at this rate for 24 hours it would release about 139 tonnes of methane.

Detected
23 Sep 2025 · 07:16 UTC
Satellite
Sentinel-2 - ESA
Sector
Oil & gas
Wind
Plume drifting towards the SE · 5.8 m/s
Coordinates
30.67613, 49.7766
Open in Google Maps (satellite)
UNEP plume ID
69022f92-8bf2-406a-8932-16a256d6559d

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_135 · O&G facility (generic)
3 plumes detected at this site

Status

UNEP notified the government about this plume.

Nobody has reported contacting the operator through Methane Leaks yet.

Push for action

Find the operator's contact details and send a ready-made, evidence-based email in about two minutes.

Write to the operator →

Authorities you can notify

Is this attribution wrong?

If you operate this site, or know who does, tell us. Operators get a right of reply, and corrections are reviewed within a week.

Get alerts for IRN_S_135

We'll email you when UNEP publishes new plumes here. No account needed. Unsubscribe in one click.

We only use your email to send these alerts.

Cite as: UNEP IMEO MARS plume 69022f92-8bf2-406a-8932-16a256d6559d, via Methane Leaks (https://www.methaneleaks.com/plume/69022f92-8bf2-406a-8932-16a256d6559d), accessed 4 Oct 2026.