Methane Leaks
Coal · Frequent

Methane emitter CHN_S_203

Venting shaft in China. Satellites have detected 12 methane plumes here since 30 Mar 2023, most recently on 15 Jun 2026.

12
Plumes
7
Plumes, last 12 months
4,415 kg/h
Largest detected rate
1,136 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_203
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
30 Mar 2023
Last seen
15 Jun 2026
Coordinates
36.53022, 112.90503 · Open in Google Maps (satellite)

Plume history

15 Jun 2026: 1,472 kg/h5 May 2026: 955 kg/h30 Apr 2026: 550 kg/h17 Apr 2026: 2,584 kg/h11 Mar 2026: 1,150 kg/h18 Nov 2025: 2,589 kg/h27 Oct 2025: 1,121 kg/h3 Aug 2025: 261 kg/h27 Jul 2025: 4,415 kg/h22 Jun 2025: 3,922 kg/h4 Oct 2024: 853 kg/h30 Mar 2023: 348 kg/h 30 Mar 2023 15 Jun 2026 4,415 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
15 Jun 2026Coal 1,472 kg/h Not yet attributed View
5 May 2026Coal 955 kg/h Not yet attributed View
30 Apr 2026Coal 550 kg/h Not yet attributed View
17 Apr 2026Coal 2,584 kg/h Not yet attributed View
11 Mar 2026Coal 1,150 kg/h Not yet attributed View
18 Nov 2025Coal 2,589 kg/h Not yet attributed View
27 Oct 2025Coal 1,121 kg/h Not yet attributed View
3 Aug 2025Coal 261 kg/h Not yet attributed View
27 Jul 2025Coal 4,415 kg/h Not yet attributed View
22 Jun 2025Coal 3,922 kg/h Not yet attributed View
4 Oct 2024Coal 853 kg/h Not yet attributed View
30 Mar 2023Coal 348 kg/h Not yet attributed View

Authorities you can notify

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