Use this web page to find specific data files available from the public ftp file archive of the ESRL Global Monitoring Division. Alternatively, you can browse the GMD ftp server. Click on the icons ( or ) under the 'Data' table heading in the dataset description boxes to either download the data file desired, or take you to the appropriate directory on the ftp server, where you can make selections based on date.
Sand Island, Midway, United States (MID)
Air samples collected in glass flasks.
Dataset list last updated on 17 January 2017
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