Methane Leaks
Coal · Undetermined

Methane emitter CHN_S_686

Venting shaft in China. Satellites have detected 4 methane plumes here since 14 Apr 2024, most recently on 1 Dec 2025.

4
Plumes
1
Plumes, last 12 months
3,203 kg/h
Largest detected rate
2,185 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_686
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
14 Apr 2024
Last seen
1 Dec 2025
Coordinates
35.0639, 107.96082 · Open in Google Maps (satellite)

Plume history

1 Dec 2025: 2,658 kg/h16 Dec 2024: 3,203 kg/h13 Oct 2024: 1,669 kg/h14 Apr 2024: 1,712 kg/h 14 Apr 2024 1 Dec 2025 3,203 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
1 Dec 2025Coal 2,658 kg/h Not yet attributed View
16 Dec 2024Coal 3,203 kg/h Not yet attributed View
13 Oct 2024Coal 1,669 kg/h Not yet attributed View
14 Apr 2024Coal 1,712 kg/h Not yet attributed View

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