Methane Leaks
Coal · Persistent

Methane emitter CHN_S_677

Venting shaft in China. Satellites have detected 11 methane plumes here since 17 Feb 2024, most recently on 2 Jun 2026.

11
Plumes
4
Plumes, last 12 months
2,016 kg/h
Largest detected rate
1,326 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_677
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
17 Feb 2024
Last seen
2 Jun 2026
Coordinates
32.7722, 116.57769 · Open in Google Maps (satellite)

Plume history

2 Jun 2026: 340 kg/h25 Apr 2026: 758 kg/h4 Apr 2026: 1,453 kg/h5 Nov 2025: 1,127 kg/h5 Aug 2025: 2,016 kg/h29 May 2025: 1,355 kg/h19 Jan 2025: 605 kg/h9 Jun 2024: 1,326 kg/h17 Feb 2024: 1,458 kg/h 17 Feb 2024 2 Jun 2026 2,016 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
2 Jun 2026Coal 340 kg/h Not yet attributed View
25 Apr 2026Coal 758 kg/h Not yet attributed View
4 Apr 2026Coal 1,453 kg/h Not yet attributed View
5 Nov 2025Coal 1,127 kg/h Not yet attributed View
5 Aug 2025Coal 2,016 kg/h Not yet attributed View
29 May 2025Coal 1,355 kg/h Not yet attributed View
19 Jan 2025Coal 605 kg/h Not yet attributed View
14 Oct 2024Coal — Not yet attributed View
24 Jul 2024Coal — Not yet attributed View
9 Jun 2024Coal 1,326 kg/h Not yet attributed View
17 Feb 2024Coal 1,458 kg/h Not yet attributed View

Authorities you can notify

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