Methane Leaks
Coal · Frequent

Methane emitter CHN_S_628

Drainage station in China. Satellites have detected 4 methane plumes here since 27 Oct 2025, most recently on 30 Apr 2026.

4
Plumes
4
Plumes, last 12 months
999 kg/h
Largest detected rate
626 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_628
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
27 Oct 2025
Last seen
30 Apr 2026
Coordinates
35.80774, 112.78391 · Open in Google Maps (satellite)

Plume history

30 Apr 2026: 389 kg/h17 Apr 2026: 716 kg/h11 Mar 2026: 536 kg/h27 Oct 2025: 999 kg/h 27 Oct 2025 30 Apr 2026 999 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
30 Apr 2026Coal 389 kg/h Not yet attributed View
17 Apr 2026Coal 716 kg/h Not yet attributed View
11 Mar 2026Coal 536 kg/h Not yet attributed View
27 Oct 2025Coal 999 kg/h Not yet attributed View

Authorities you can notify

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