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warn_icon.gif IMPORTANT MAINTENANCE MESSAGE April 26, 2015    Scheduled Maintenance on April 26th, 2015

There will be a planned maintenance on a GSFC network on Sunday, April 26th, 2015 from 6:00am until 6:00pm EDT.  The GES DISC services including data access, data search and analysis tools and the website ( may not be accessible during this maintenance window.


Welcome to the Ozone Data & Information Web Site at the Goddard Space Flight Center's Earth Sciences Atmospheric Composition Data & information Services Center (ACDISC). The purpose of this on-line information center is to enhance the support services we provide to our ozone research community. We've provided a number of resources here to help you in your research.

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Last updated: Mar 11, 2013 02:11 PM ET