Methane Leaks
Coal · Undetermined

Methane emitter CHN_S_309

Venting shaft in China. Satellites have detected 4 methane plumes here since 23 Apr 2024, most recently on 17 Aug 2026.

4
Plumes
1
Plumes, last 12 months
3,120 kg/h
Largest detected rate
1,220 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_309
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
23 Apr 2024
Last seen
17 Aug 2026
Coordinates
37.52388, 113.65114 · Open in Google Maps (satellite)

Plume history

17 Aug 2026: 842 kg/h27 Jul 2025: 1,583 kg/h14 Apr 2025: 3,120 kg/h23 Apr 2024: 858 kg/h 23 Apr 2024 17 Aug 2026 3,120 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
17 Aug 2026Coal 842 kg/h Not yet attributed View
27 Jul 2025Coal 1,583 kg/h Not yet attributed View
14 Apr 2025Coal 3,120 kg/h Not yet attributed View
23 Apr 2024Coal 858 kg/h Not yet attributed View

Authorities you can notify

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