Earthdata
CMR Virtual Directories

OMPS-NPP L2 NM Ozone (O3) Total Column swath orbital
temporal

Year	File Count
2011	123
2012	3754
2013	4480
2014	4411
2015	4413
2016	4758
2017	5117
2018	5148
2019	5153
2020	5163
2021	5136
2022	4930
2023	5108
2024	5088
2025	2089

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