Methane plume detected in Mongolia
On 3 Sep 2025, the Sentinel-5P/TROPOMI - ESA satellite saw methane escaping at about 17,000 kg/h from a waste site or landfill.
Evidence packet
If it continued at this rate for 24 hours it would release about 408 tonnes of methane.
- Detected
- 3 Sep 2025 · 06:18 UTC
- Satellite
- Sentinel-5P/TROPOMI - ESA
- Sector
- Waste / landfill
- Wind
- Plume drifting towards the E · 4.1 m/s
- Coordinates
- 43.26, 102.0
Open in Google Maps (satellite) - UNEP plume ID
1538484a-326a-456e-8966-2b03cda119f1
Likely operator
We don't have enough evidence to name an operator for this site yet. If you know who runs it, tell us below.
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 1538484a-326a-456e-8966-2b03cda119f1, via Methane Leaks (https://www.methaneleaks.com/plume/1538484a-326a-456e-8966-2b03cda119f1), accessed 4 Oct 2026.