Methane Leaks
Coal · Undetermined

Methane emitter CHN_S_077

Drainage station in China. Satellites have detected 10 methane plumes here since 4 Feb 2023, most recently on 18 Apr 2026.

10
Plumes
3
Plumes, last 12 months
1,606 kg/h
Largest detected rate
701 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_077
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
Drainage station
UNEP notified
Not applicable
Operator responded to UNEP
Not applicable
First seen
4 Feb 2023
Last seen
18 Apr 2026
Coordinates
39.92693, 112.99046 · Open in Google Maps (satellite)

Plume history

18 Apr 2026: 531 kg/h7 Apr 2026: 354 kg/h31 Jan 2026: 687 kg/h30 Jul 2025: 1,378 kg/h23 Jun 2025: 701 kg/h7 Oct 2024: 558 kg/h3 Oct 2024: 1,208 kg/h16 Apr 2024: 1,606 kg/h4 Feb 2023: 1,431 kg/h 4 Feb 2023 18 Apr 2026 1,606 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
18 Apr 2026Coal 531 kg/h Not yet attributed View
7 Apr 2026Coal 354 kg/h Not yet attributed View
31 Jan 2026Coal 687 kg/h Not yet attributed View
30 Jul 2025Coal 1,378 kg/h Not yet attributed View
23 Jun 2025Coal 701 kg/h Not yet attributed View
7 Oct 2024Coal 558 kg/h Not yet attributed View
3 Oct 2024Coal 1,208 kg/h Not yet attributed View
10 Jun 2024Coal — Not yet attributed View
16 Apr 2024Coal 1,606 kg/h Not yet attributed View
4 Feb 2023Coal 1,431 kg/h Not yet attributed View

Authorities you can notify

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