Methane Leaks
Coal · Frequent

Methane emitter CHN_S_617

Venting shaft in China. Satellites have detected 5 methane plumes here since 17 Apr 2025, most recently on 8 Jul 2026.

5
Plumes
3
Plumes, last 12 months
1,261 kg/h
Largest detected rate
875 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_617
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 Apr 2025
Last seen
8 Jul 2026
Coordinates
33.83343, 113.25341 · Open in Google Maps (satellite)

Plume history

8 Jul 2026: 779 kg/h14 Dec 2025: 612 kg/h25 Apr 2025: 1,261 kg/h17 Apr 2025: 971 kg/h 17 Apr 2025 8 Jul 2026 1,261 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
8 Jul 2026Coal 779 kg/h Not yet attributed View
31 Mar 2026Coal — Not yet attributed View
14 Dec 2025Coal 612 kg/h Not yet attributed View
25 Apr 2025Coal 1,261 kg/h Not yet attributed View
17 Apr 2025Coal 971 kg/h Not yet attributed View

Authorities you can notify

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