Methane Leaks
Coal · Undetermined

Methane emitter CHN_S_688

Venting shaft in China. Satellites have detected 3 methane plumes here since 21 Jun 2025, most recently on 24 Apr 2026.

3
Plumes
2
Plumes, last 12 months
795 kg/h
Largest detected rate
580 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_688
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
21 Jun 2025
Last seen
24 Apr 2026
Coordinates
35.09727, 107.89895 · Open in Google Maps (satellite)

Plume history

24 Apr 2026: 795 kg/h1 Dec 2025: 580 kg/h21 Jun 2025: 457 kg/h 21 Jun 2025 24 Apr 2026 795 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
24 Apr 2026Coal 795 kg/h Not yet attributed View
1 Dec 2025Coal 580 kg/h Not yet attributed View
21 Jun 2025Coal 457 kg/h Not yet attributed View

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