Methane Leaks
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Methane leaks in Algeria

Satellites have detected 2,643 methane plumes at 377 sites in Algeria since 2021, 773 of them in the 12 months to 1 Oct 2026.

773
Plumes, last 12 months
377
Sites
72,000 kg/h
Largest plume, last 12 months
8 / 257
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
21 Apr 2026Waste / landfill — 40,000 kg/h Not yet attributed View
17 Jan 2026Oil & gas — 36,000 kg/h Sonatrach Plausible View
12 Jan 2026Oil & gas — 36,000 kg/h Sonatrach Plausible View
6 Oct 2025Oil & gas — 36,000 kg/h Sonatrach Plausible View
3 Nov 2025Oil & gas — 35,000 kg/h Sonatrach Plausible View

Who operates these sites

Sonatrach2,451 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 & gas748
Waste / landfill22
Other3

Sites that leak most often

Site Plumes, last 12 months Largest detected rate Last seen Likely operator
DZA_S_220Flare · Persistent 4050 total 8,483 kg/h 29 Sep 2026 Sonatrach Plausible
DZA_S_043Gas disposal facility · Frequent 2648 total 15,588 kg/h 22 Aug 2026 Sonatrach Plausible
DZA_S_020Flare 2262 total 8,303 kg/h 23 Jul 2026 Sonatrach Plausible
DZA_S_243Gas disposal facility · Frequent 2128 total 3,408 kg/h 9 Sep 2026 Sonatrach Plausible
DZA_S_018Flare 18130 total 15,161 kg/h 17 Sep 2026 Sonatrach Plausible
DZA_S_019Flare · Frequent 1734 total 5,288 kg/h 21 Jul 2026 Sonatrach Plausible
DZA_S_011Pit 1630 total 12,842 kg/h 22 Aug 2026 Sonatrach Plausible
DZA_S_238Pit 1525 total 5,580 kg/h 18 Nov 2025 Sonatrach Plausible
DZA_S_101Flare 1422 total 6,061 kg/h 12 Aug 2026 Sonatrach Plausible
DZA_S_204Gas disposal facility 1344 total 1,892 kg/h 27 May 2026 Sonatrach Plausible
DZA_S_008Flare · Persistent 1133 total 3,721 kg/h 21 Jul 2026 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_005Flare 929 total 20,972 kg/h 28 Sep 2026 Sonatrach Plausible
DZA_S_064Gas disposal facility 913 total 3,962 kg/h 4 Jun 2026 Sonatrach Plausible
DZA_S_386Gas disposal facility 910 total 2,873 kg/h 18 Mar 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_431Gas disposal facility 99 total 4,066 kg/h 21 Sep 2026 Sonatrach Plausible
DZA_S_265Gas disposal facility 824 total 2,699 kg/h 24 Oct 2025 Sonatrach Plausible
DZA_S_027Flare 813 total 3,532 kg/h 25 Apr 2026 Sonatrach Plausible
DZA_S_291Flare 810 total 9,183 kg/h 21 May 2026 Sonatrach Plausible

All 377 sites in Algeria →

Authorities you can notify

Of 257 sites UNEP notified in Algeria, operators responded on 8.

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