Methane plume detected in Mongolia
On 31 Jan 2026, the Sentinel-5P/TROPOMI - ESA satellite saw methane escaping at about 25,000 kg/h from a waste site or landfill.
Evidence packet
If it continued at this rate for 24 hours it would release about 600 tonnes of methane.
- Detected
- 31 Jan 2026 · 06:09 UTC
- Satellite
- Sentinel-5P/TROPOMI - ESA
- Sector
- Waste / landfill
- Wind
- Plume drifting towards the E · 2.9 m/s
- Coordinates
- 43.01, 101.2
Open in Google Maps (satellite) - UNEP plume ID
502c4876-0e13-44fe-b5cf-29d3216cf0e7
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 502c4876-0e13-44fe-b5cf-29d3216cf0e7, via Methane Leaks (https://www.methaneleaks.com/plume/502c4876-0e13-44fe-b5cf-29d3216cf0e7), accessed 4 Oct 2026.