Directly View ISS Methane Data

You can directly examine atmospheric methane data taken by the International Space Station ... and it's not at all difficult.

Map of the western hemisphere showing the flyover path of the International Space Station, with markers to show EMIT-detected plume sites.
ISS flyover paths in June and July 2024, with EMIT-detected methane plumes marked. (Courtesy EMIT Methane Plume Viewer)1