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OCO-3 Data Center

Please visit here for all OCO-3 data products!

As of April 30, 2020, OCO-3 has released the first version of the Level 2 (L2) forward processing data product, containing estimates of the column averaged carbon dioxide dry air mole fraction (XCO2), other geophysical quantities retrieved from OCO-3 observations. Read the Data Quality Statement here (PDF, 394 KB).

These data have been produced by the OCO-3 project, and are provided freely to the public. In order to improve our product and have continued support for this work, we need user feedback and user acknowledgement of data usage. Therefore, we request that when publishing using OCO-3 data, please acknowledge NASA and the OCO-3 project.

  • Include OCO-3 as a keyword to facilitate subsequent searches of bibliographic databases if it is a significant part of the publication
  • Include a bibliographic citation for OCO-3 data. The most relevant citations currently are Wunch et al. [2011a and 2011b], O’Dell et al. [2012], Crisp et al. [2012], and Frankenberg et al. [2014a and 2014b]
  • Include the following acknowledgements: “These data were produced by the OCO-3 project at the Jet Propulsion Laboratory, California Institute of Technology, and obtained from the OCO-3 data archive maintained at the NASA Goddard Earth Science Data and Information Services Center.”
  • We recommend sending courtesy copies of publications to the OCO-2 Project Scientist,

If you have any further questions, please contact us!

We are happy to hear your comments and questions – please email

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