Methane Leaks
Coal · Frequent

Methane emitter CHN_S_409

Venting shaft in China. Satellites have detected 6 methane plumes here since 31 Mar 2023, most recently on 17 Apr 2026.

6
Plumes
2
Plumes, last 12 months
1,644 kg/h
Largest detected rate
916 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_409
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
31 Mar 2023
Last seen
17 Apr 2026
Coordinates
37.32918, 110.95578 · Open in Google Maps (satellite)

Plume history

17 Apr 2026: 1,644 kg/h11 Apr 2026: 575 kg/h27 May 2025: 1,077 kg/h25 Apr 2025: 880 kg/h14 Oct 2024: 951 kg/h31 Mar 2023: 420 kg/h 31 Mar 2023 17 Apr 2026 1,644 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
17 Apr 2026Coal 1,644 kg/h Not yet attributed View
11 Apr 2026Coal 575 kg/h Not yet attributed View
27 May 2025Coal 1,077 kg/h Not yet attributed View
25 Apr 2025Coal 880 kg/h Not yet attributed View
14 Oct 2024Coal 951 kg/h Not yet attributed View
31 Mar 2023Coal 420 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_409

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.