ESA
Contains binned Level-2 TROPOMI CH4 retrievals. The L3 binning algorithm weighs individual pixels with the overlap area of the pixel and the Level-3 grid cell. The weighing and count vectors are used to apply this weighted average consistently, see <https://stcorp.github.io/harp/doc/html/libharp_product.html>.
Sentinel-5P Level-3 CH4 Monthly Product - V2 2022-07