ARCH RESOURCES INC methane leaks

13 satellite-detected methane plumes at 1 sites we attribute to ARCH RESOURCES INC, 5 of them in the 12 months to 1 Sep 2026.

An attribution is our best estimate of who operates the site, with a stated confidence level. It is not proof of wrongdoing. ARCH RESOURCES INC can reply or correct it at any time. Is this attribution wrong?

Plumes, last 12 months

Sites

2,409 kg/h

Largest detected rate

16 Aug 2026

Last seen

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

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Most recent plumes

Detected	Site	Emission rate	Likely operator
16 Aug 2026Coal	USA_S_269	875 kg/h	ARCH RESOURCES INC Strong evidence	View
11 Feb 2026Coal	USA_S_269	1,342 kg/h	ARCH RESOURCES INC Strong evidence	View
29 Nov 2025Coal	USA_S_269	597 kg/h	ARCH RESOURCES INC Strong evidence	View
2 Oct 2025Coal	USA_S_269	1,847 kg/h	ARCH RESOURCES INC Strong evidence	View
28 Sep 2025Coal	USA_S_269	789 kg/h	ARCH RESOURCES INC Strong evidence	View
29 Jun 2025Coal	USA_S_269	1,314 kg/h	ARCH RESOURCES INC Strong evidence	View
25 Jun 2025Coal	USA_S_269	690 kg/h	ARCH RESOURCES INC Strong evidence	View
3 Jun 2025Coal	USA_S_269	1,589 kg/h	ARCH RESOURCES INC Strong evidence	View
17 Apr 2025Coal	USA_S_269	586 kg/h	ARCH RESOURCES INC Strong evidence	View
13 Apr 2025Coal	USA_S_269	1,277 kg/h	ARCH RESOURCES INC Strong evidence	View
22 Apr 2024Coal	USA_S_269	2,409 kg/h	ARCH RESOURCES INC Strong evidence	View
13 Aug 2023Coal	USA_S_269	823 kg/h	ARCH RESOURCES INC Strong evidence	View

How to contact ARCH RESOURCES INC

We haven't verified a public contact route yet. The app searches for one when you investigate a plume.

Parent company: Arch Resources Inc
Countries: United States
Confidence of these attributions: Strong evidence × 1

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Sites attributed to ARCH RESOURCES INC

Site	Plumes, last 12 months	Largest detected rate	Last seen	Likely operator
USA_S_269Venting shaft	513 total	2,409 kg/h	16 Aug 2026	ARCH RESOURCES INC Strong evidence

Is this attribution wrong?

If you operate this site, or know who does, tell us. Operators get a right of reply, and corrections are reviewed within a week.