Earthdata
CMR Virtual Directories

OMPS-NPP L2 NM Formaldehyde (HCHO) Total Column swath orbital
temporal

Year	File Count
2012	3718
2013	4528
2014	4460
2015	4459
2016	4809
2017	5110
2018	5115
2019	5108
2020	5112

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