Methane Leaks
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Methane leaks in Yemen

Satellites have detected 629 methane plumes at 32 sites in Yemen since 2021, 123 of them in the 12 months to 1 Sep 2026.

123
Plumes, last 12 months
32
Sites
18,353 kg/h
Largest plume, last 12 months
14 / 18
Notified sites where the operator responded to UNEP
Satellite map of methane plume locations in Yemen
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Biggest plumes in the last 12 months

Detected Site Emission rate Likely operator
19 Nov 2025Oil & gas YEM_S_023 18,353 kg/h Safer Exploration and Production Operations Company Plausible View
10 Dec 2025Oil & gas YEM_S_023 16,000 kg/h Safer Exploration and Production Operations Company Plausible View
17 Sep 2025Oil & gas YEM_S_032 10,324 kg/h Safer Exploration and Production Operations Company Plausible View
10 Jul 2026Oil & gas YEM_S_038 9,587 kg/h Safer Exploration and Production Operations Company Plausible View
21 Dec 2025Oil & gas YEM_S_027 9,154 kg/h Safer Exploration and Production Operations Company Plausible View
17 Dec 2025Oil & gas YEM_S_001 6,096 kg/h Safer Exploration and Production Operations Company Plausible View
26 Jul 2026Oil & gas YEM_S_039 5,775 kg/h Safer Exploration and Production Operations Company Plausible View
13 Dec 2025Oil & gas YEM_S_021 3,921 kg/h Safer Exploration and Production Operations Company Plausible View
26 Apr 2026Waste / landfill YEM_S_019 3,769 kg/h Not yet attributed View
20 Jul 2026Oil & gas YEM_S_023 3,742 kg/h Safer Exploration and Production Operations Company Plausible View

Who operates these sites

Safer Exploration and Production Operations Company583 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 & gas114
Waste / landfill9

Sites that leak most often

Site Plumes, last 12 months Largest detected rate Last seen Likely operator
YEM_S_001Flare · Persistent 58346 total 9,706 kg/h 29 Aug 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_028O&G source (generic) · Persistent 2732 total 1,455 kg/h 10 Aug 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_023Gas disposal facility 88 total 18,353 kg/h 20 Jul 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_019Landfill · Persistent 79 total 3,769 kg/h 4 Aug 2026 Not yet attributed
YEM_S_027Gas disposal facility · Frequent 44 total 9,154 kg/h 15 Jun 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_025Gas disposal facility 37 total 10,580 kg/h 26 Oct 2025 Safer Exploration and Production Operations Company Plausible
YEM_S_021Gas disposal facility 34 total 3,921 kg/h 21 Jan 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_003Flare 25 total 2,539 kg/h 2 May 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_009Landfill · Frequent 23 total 3,056 kg/h 4 Aug 2026 Not yet attributed
YEM_S_039Gas disposal facility 11 total 5,775 kg/h 26 Jul 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_038Gas disposal facility 11 total 9,587 kg/h 10 Jul 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_037Well head 11 total 3,687 kg/h 9 Jul 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_040O&G source (generic) 11 total 130 kg/h 13 Mar 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_024Gas disposal facility 11 total 2,697 kg/h 7 Feb 2026 Safer Exploration and Production Operations Company Plausible
YEM_S_036Pipeline 11 total 2,432 kg/h 8 Dec 2025 Safer Exploration and Production Operations Company Plausible
YEM_S_030Gas disposal facility 11 total 2,921 kg/h 2 Dec 2025 Safer Exploration and Production Operations Company Plausible
YEM_S_031Gas disposal facility 11 total 1,419 kg/h 22 Nov 2025 Safer Exploration and Production Operations Company Plausible
YEM_S_032O&G source (generic) 11 total 10,324 kg/h 17 Sep 2025 Safer Exploration and Production Operations Company Plausible
YEM_S_004O&G facility (generic) 0149 total 14,755 kg/h 11 Apr 2025 Safer Exploration and Production Operations Company Plausible
YEM_S_013Gas disposal facility 04 total 7,493 kg/h 9 Aug 2025 Safer Exploration and Production Operations Company Plausible
YEM_S_008Landfill 03 total 6,697 kg/h 12 Feb 2025 Not yet attributed
YEM_S_014Gas disposal facility 03 total 1,803 kg/h 2 Jun 2024 Safer Exploration and Production Operations Company Plausible
YEM_S_022Gas disposal facility 02 total 13,918 kg/h 30 Jul 2025 Safer Exploration and Production Operations Company Plausible
YEM_S_016Transmission Pipelines 02 total 1,144 kg/h 24 Feb 2023 Safer Exploration and Production Operations Company Plausible
YEM_S_018Gas disposal facility 01 total 1,256 kg/h 5 Jul 2025 Safer Exploration and Production Operations Company Plausible

All 32 sites in Yemen →

Authorities you can notify

We don't list an authority for Yemen yet. Know one? Tell us through the correction form.

Of 18 sites UNEP notified in Yemen, operators responded on 14.

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