Methane leaks in Portugal

Satellites have detected 14 methane plumes at 1 sites in Portugal since 2023, 3 of them in the 12 months to 1 Sep 2026.

Plumes, last 12 months

Sites

2,486 kg/h

Largest plume, last 12 months

0 / 0

Notified sites where the operator responded to UNEP

Satellite map of methane plume locations in Portugal — Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →

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Biggest plumes in the last 12 months

Detected	Site	Emission rate	Likely operator
2 Oct 2025Waste / landfill	PRT_S_001	2,486 kg/h	Not yet attributed	View
1 Aug 2026Waste / landfill	PRT_S_001	2,160 kg/h	Not yet attributed	View
17 Apr 2026Waste / landfill	PRT_S_001	1,010 kg/h	Not yet attributed	View

Who operates these sites

Not yet attributed

Plumes by sector, last 12 months

Waste / landfill3

Sites that leak most often

Site	Plumes, last 12 months	Largest detected rate	Last seen	Likely operator
PRT_S_001Landfill	313 total	3,111 kg/h	1 Aug 2026	Not yet attributed

Authorities you can notify

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