Methane Leaks
Coal · Sporadic

Methane emitter POL_S_017

Venting shaft in Poland. Satellites have detected 2 methane plumes here since 19 Aug 2023, most recently on 5 Aug 2026.

2
Plumes
1
Plumes, last 12 months
1,542 kg/h
Largest detected rate
1,434 kg/h
Typical (median) rate
Satellite map of methane plume locations in POL_S_017
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →
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Who likely operates it

Polska Grupa Górnicza Plausible

Evidence

  • State-controlled PGG runs most Upper Silesian thermal-coal mines.

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
19 Aug 2023
Last seen
5 Aug 2026
Coordinates
49.95249, 19.0115 · Open in Google Maps (satellite)

Plume history

5 Aug 2026: 1,542 kg/h19 Aug 2023: 1,325 kg/h 19 Aug 2023 5 Aug 2026 1,542 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
5 Aug 2026Coal 1,542 kg/h Polska Grupa Górnicza Plausible View
19 Aug 2023Coal 1,325 kg/h Polska Grupa Górnicza Plausible View

Authorities you can notify

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