Methane plume detected in Iran
On 17 Sep 2025, the Sentinel-5P/TROPOMI - ESA satellite saw methane escaping at about 259,000 kg/h from an oil & gas site.
Evidence packet
If it continued at this rate for 24 hours it would release about 6,216 tonnes of methane.
- Detected
- 17 Sep 2025 · 10:16 UTC
- Satellite
- Sentinel-5P/TROPOMI - ESA
- Sector
- Oil & gas
- Wind
- Plume drifting towards the SE · 5.1 m/s
- Coordinates
- 31.52, 48.79
Open in Google Maps (satellite) - UNEP plume ID
fb492679-248a-493c-b30a-e4ef6fb6dcb5
Likely operator
National Iranian South Oil Company Plausible
NISOC, a NIOC subsidiary, operates the Khuzestan onshore fields (Ahvaz, Marun, Aghajari, Gachsaran).
Status
UNEP has not recorded a notification for this plume.
Nobody has reported contacting the operator through Methane Leaks yet.
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Cite as: UNEP IMEO MARS plume fb492679-248a-493c-b30a-e4ef6fb6dcb5, via Methane Leaks (https://www.methaneleaks.com/plume/fb492679-248a-493c-b30a-e4ef6fb6dcb5), accessed 5 Oct 2026.