Methane Leaks
Coal · Frequent

Methane emitter CHN_S_830

Venting shaft in China. Satellites have detected 5 methane plumes here since 26 Apr 2025, most recently on 26 Mar 2026.

5
Plumes
3
Plumes, last 12 months
5,840 kg/h
Largest detected rate
1,815 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_830
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →
Embed this map

Paste this into your article or website. It stays up to date automatically.

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?

Write to the operator

Response so far

Source type
Venting shaft
UNEP notified
Not applicable
Operator responded to UNEP
Not applicable
First seen
26 Apr 2025
Last seen
26 Mar 2026
Coordinates
25.69842, 104.94445 · Open in Google Maps (satellite)

Plume history

26 Mar 2026: 1,200 kg/h22 Mar 2026: 2,651 kg/h1 Dec 2025: 5,840 kg/h18 Aug 2025: 977 kg/h26 Apr 2025: 1,815 kg/h 26 Apr 2025 26 Mar 2026 5,840 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
26 Mar 2026Coal 1,200 kg/h Not yet attributed View
22 Mar 2026Coal 2,651 kg/h Not yet attributed View
1 Dec 2025Coal 5,840 kg/h Not yet attributed View
18 Aug 2025Coal 977 kg/h Not yet attributed View
26 Apr 2025Coal 1,815 kg/h Not yet attributed View

Authorities you can notify

Is this attribution wrong?

If you operate this site, or know who does, tell us. Operators get a right of reply, and corrections are reviewed within a week.

Get alerts for CHN_S_830

We'll email you when UNEP publishes new plumes here. No account needed. Unsubscribe in one click.

We only use your email to send these alerts.