Methane Leaks
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Methane leaks in Algeria

Satellites have detected 2,589 methane plumes at 368 sites in Algeria since 2021, 812 of them in the 12 months to 1 Sep 2026.

812
Plumes, last 12 months
368
Sites
72,000 kg/h
Largest plume, last 12 months
8 / 247
Notified sites where the operator responded to UNEP
Satellite map of methane plume locations in Algeria
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Biggest plumes in the last 12 months

Detected Site Emission rate Likely operator
30 Dec 2025Oil & gas — 72,000 kg/h Sonatrach Plausible View
6 Feb 2026Oil & gas — 60,000 kg/h Sonatrach Plausible View
8 Nov 2025Oil & gas — 60,000 kg/h Sonatrach Plausible View
23 Dec 2025Oil & gas — 54,000 kg/h Sonatrach Plausible View
22 Oct 2025Oil & gas — 53,000 kg/h Sonatrach Plausible View
19 Sep 2025Oil & gas — 44,000 kg/h Sonatrach Plausible View
21 Apr 2026Waste / landfill — 40,000 kg/h Not yet attributed View
16 Sep 2025Oil & gas DZA_S_248 38,638 kg/h Sonatrach Plausible View
26 Sep 2025Oil & gas DZA_S_248 36,910 kg/h Sonatrach Plausible View
17 Jan 2026Oil & gas — 36,000 kg/h Sonatrach Plausible View

Who operates these sites

Sonatrach2,405 plumes

Plumes at sites we attribute to each company. Most attributions here rely on who operates a field or region, not on site-level confirmation; see each site for the evidence. What do confidence levels mean?

Plumes by sector, last 12 months

Oil & gas793
Waste / landfill17
Other2

Sites that leak most often

Site Plumes, last 12 months Largest detected rate Last seen Likely operator
DZA_S_220Flare · Persistent 3343 total 8,483 kg/h 30 Aug 2026 Sonatrach Plausible
DZA_S_043Gas disposal facility · Frequent 2848 total 15,588 kg/h 22 Aug 2026 Sonatrach Plausible
DZA_S_020Flare 2562 total 8,303 kg/h 23 Jul 2026 Sonatrach Plausible
DZA_S_243Gas disposal facility 2426 total 3,408 kg/h 17 Jan 2026 Sonatrach Plausible
DZA_S_238Pit 2225 total 5,580 kg/h 18 Nov 2025 Sonatrach Plausible
DZA_S_204Gas disposal facility 2044 total 1,892 kg/h 27 May 2026 Sonatrach Plausible
DZA_S_019Flare 2034 total 5,288 kg/h 21 Jul 2026 Sonatrach Plausible
DZA_S_018Flare 18129 total 15,161 kg/h 25 Aug 2026 Sonatrach Plausible
DZA_S_011Pit 1730 total 12,842 kg/h 22 Aug 2026 Sonatrach Plausible
DZA_S_265Gas disposal facility 1524 total 2,699 kg/h 24 Oct 2025 Sonatrach Plausible
DZA_S_101Flare 1522 total 6,061 kg/h 12 Aug 2026 Sonatrach Plausible
DZA_S_246Flare 1320 total 2,800 kg/h 31 Oct 2025 Sonatrach Plausible
DZA_S_008Flare · Persistent 1133 total 3,721 kg/h 21 Jul 2026 Sonatrach Plausible
DZA_S_248Well head 1114 total 38,638 kg/h 26 Sep 2025 Sonatrach Plausible
DZA_S_398Gas disposal facility · Persistent 1111 total 1,896 kg/h 22 Aug 2026 Sonatrach Plausible
DZA_S_098Flare 1027 total 3,580 kg/h 21 Jul 2026 Sonatrach Plausible
DZA_S_354Gas disposal facility 1011 total 10,014 kg/h 22 Feb 2026 Sonatrach Plausible
DZA_S_186Gas disposal facility 1010 total 3,841 kg/h 29 Jun 2026 Sonatrach Plausible
DZA_S_031Flare 941 total 6,221 kg/h 15 Jul 2026 Sonatrach Plausible
DZA_S_064Gas disposal facility 913 total 3,962 kg/h 4 Jun 2026 Sonatrach Plausible
DZA_S_027Flare 913 total 3,532 kg/h 25 Apr 2026 Sonatrach Plausible
DZA_S_291Flare 910 total 9,183 kg/h 21 May 2026 Sonatrach Plausible
DZA_S_368Gas disposal facility 910 total 7,393 kg/h 6 Feb 2026 Sonatrach Plausible
DZA_S_290Flare 910 total 5,844 kg/h 1 Feb 2026 Sonatrach Plausible
DZA_S_386Gas disposal facility 99 total 2,873 kg/h 18 Mar 2026 Sonatrach Plausible

All 368 sites in Algeria →

Authorities you can notify

Of 247 sites UNEP notified in Algeria, operators responded on 8.

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