Methane Leaks
Coal · Sporadic

Methane emitter CHN_S_171

Drainage station in China. Satellites have detected 12 methane plumes here since 5 Dec 2022, most recently on 17 Apr 2026.

12
Plumes
1
Plumes, last 12 months
8,064 kg/h
Largest detected rate
2,020 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_171
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
5 Dec 2022
Last seen
17 Apr 2026
Coordinates
36.15344, 112.99503 · Open in Google Maps (satellite)

Plume history

17 Apr 2026: 1,995 kg/h3 Aug 2025: 1,512 kg/h31 Jul 2025: 4,462 kg/h27 Jul 2025: 2,046 kg/h22 Jun 2025: 947 kg/h8 Oct 2024: 1,905 kg/h21 Aug 2024: 1,868 kg/h15 Apr 2024: 2,845 kg/h5 Apr 2024: 1,667 kg/h30 Mar 2023: 8,064 kg/h19 Mar 2023: 5,125 kg/h5 Dec 2022: 3,926 kg/h 5 Dec 2022 17 Apr 2026 8,064 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
17 Apr 2026Coal 1,995 kg/h Not yet attributed View
3 Aug 2025Coal 1,512 kg/h Not yet attributed View
31 Jul 2025Coal 4,462 kg/h Not yet attributed View
27 Jul 2025Coal 2,046 kg/h Not yet attributed View
22 Jun 2025Coal 947 kg/h Not yet attributed View
8 Oct 2024Coal 1,905 kg/h Not yet attributed View
21 Aug 2024Coal 1,868 kg/h Not yet attributed View
15 Apr 2024Coal 2,845 kg/h Not yet attributed View
5 Apr 2024Coal 1,667 kg/h Not yet attributed View
30 Mar 2023Coal 8,064 kg/h Not yet attributed View
19 Mar 2023Coal 5,125 kg/h Not yet attributed View
5 Dec 2022Coal 3,926 kg/h Not yet attributed View

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