Methane Leaks
Oil & gas · Sporadic

Methane emitter CHN_S_858

O&G source (generic) in China. Satellites have detected 4 methane plumes here since 30 May 2025, most recently on 31 Mar 2026.

4
Plumes
1
Plumes, last 12 months
2,498 kg/h
Largest detected rate
449 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_858
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.

Other candidates

  • PetroChina Weak (context only)

What do confidence levels mean?

Write to the operator

Response so far

Source type
O&G source (generic)
UNEP notified
Yes
Operator responded to UNEP
No
First seen
30 May 2025
Last seen
31 Mar 2026
Coordinates
45.1987, 85.1374 · Open in Google Maps (satellite)

Plume history

31 Mar 2026: 2,498 kg/h8 Jul 2025: 243 kg/h5 Jun 2025: 360 kg/h30 May 2025: 538 kg/h 30 May 2025 31 Mar 2026 2,498 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
31 Mar 2026Oil & gas 2,498 kg/h Not yet attributed View
8 Jul 2025Oil & gas 243 kg/h Not yet attributed View
5 Jun 2025Oil & gas 360 kg/h Not yet attributed View
30 May 2025Oil & gas 538 kg/h Not yet attributed View

Authorities you can notify

Is this attribution wrong?

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