Methane Leaks
Oil & gas · Not seen recently

Methane emitter DZA_S_355

Gas disposal facility in Algeria. Satellites have detected 2 methane plumes here since 21 Oct 2025, most recently on 7 Dec 2025.

2
Plumes
2
Plumes, last 12 months
5,323 kg/h
Largest detected rate
4,216 kg/h
Typical (median) rate
Satellite map of methane plume locations in DZA_S_355
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →
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Who likely operates it

Sonatrach Plausible

Evidence

  • State company Sonatrach operates or co-operates nearly all Algerian fields and pipelines.

What do confidence levels mean?

Write to the operator

Response so far

Source type
Gas disposal facility
UNEP notified
No
Operator responded to UNEP
Not applicable
First seen
21 Oct 2025
Last seen
7 Dec 2025
Coordinates
28.25148, 9.25092 · Open in Google Maps (satellite)

Plume history

7 Dec 2025: 3,110 kg/h21 Oct 2025: 5,323 kg/h 21 Oct 2025 7 Dec 2025 5,323 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
7 Dec 2025Oil & gas 3,110 kg/h Sonatrach Plausible View
21 Oct 2025Oil & gas 5,323 kg/h Sonatrach Plausible View

Authorities you can notify

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