Methane Leaks
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New methane plumes: week of 26 May 2025

UNEP published 533 new methane plume detections this week across 35 countries.

533
Plumes
35
Countries
78,493 kg/h
Largest detected rate
357
With a likely operator

Biggest new plumes

Detected CountrySite Emission rate Likely operator
26 Apr 2025Oil & gas MexicoMEX_S_003 78,493 kg/h Pemex Plausible View
16 Apr 2025Oil & gas UzbekistanUZB_S_062 73,339 kg/h Uzbekneftegaz Plausible View
16 Apr 2025Oil & gas MexicoMEX_S_003 43,899 kg/h Pemex Plausible View
23 Apr 2025Oil & gas MexicoMEX_S_003 40,908 kg/h Pemex Plausible View
21 Apr 2025Oil & gas MexicoMEX_S_003 39,363 kg/h Pemex Plausible View
26 Apr 2025Oil & gas KazakhstanKAZ_S_074 35,437 kg/h Not yet attributed View
27 Oct 2023Oil & gas KazakhstanKAZ_S_001 31,724 kg/h Not yet attributed View
17 Apr 2025Oil & gas IranIRN_S_107 28,941 kg/h National Iranian South Oil Company Plausible View
17 Sep 2024Oil & gas SpainESP_S_001 26,386 kg/h Not yet attributed View
16 Apr 2025Oil & gas IranIRN_S_075 22,418 kg/h National Iranian South Oil Company Plausible View
25 Apr 2025Oil & gas IranIRN_S_075 20,173 kg/h National Iranian South Oil Company Plausible View
24 Apr 2025Oil & gas TurkmenistanTKM_S_047 16,711 kg/h Turkmennebit Plausible View
14 Apr 2025Oil & gas LibyaLBY_S_084 16,317 kg/h National Oil Corporation Plausible View
28 Dec 2023Waste / landfill SenegalSEN_S_001 15,529 kg/h Not yet attributed View
16 Apr 2025Oil & gas IranIRN_S_102 12,659 kg/h National Iranian South Oil Company Plausible View

New plumes by country

Yemen205
Turkmenistan52
United States31
Iran25
Syria23
Algeria19
Israel19
Uzbekistan18
India15
Australia13
China12
Senegal11
Kuwait11
Venezuela10
Russia9

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