Methane Leaks
Coal · Undetermined

Methane emitter CHN_S_812

Venting shaft in China. Satellites have detected 4 methane plumes here since 4 Apr 2025, most recently on 26 Mar 2026.

4
Plumes
1
Plumes, last 12 months
2,217 kg/h
Largest detected rate
1,476 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_812
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →
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Who likely operates it

We don't have enough evidence to name an operator for this site yet. If you know who runs it, tell us below.

What do confidence levels mean?

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Response so far

Source type
Venting shaft
UNEP notified
Not applicable
Operator responded to UNEP
Not applicable
First seen
4 Apr 2025
Last seen
26 Mar 2026
Coordinates
25.48137, 104.60376 · Open in Google Maps (satellite)

Plume history

26 Mar 2026: 1,336 kg/h14 Aug 2025: 2,217 kg/h26 Apr 2025: 1,617 kg/h4 Apr 2025: 1,194 kg/h 4 Apr 2025 26 Mar 2026 2,217 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
26 Mar 2026Coal 1,336 kg/h Not yet attributed View
14 Aug 2025Coal 2,217 kg/h Not yet attributed View
26 Apr 2025Coal 1,617 kg/h Not yet attributed View
4 Apr 2025Coal 1,194 kg/h Not yet attributed View

Authorities you can notify

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