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OMI/Aura Level-2 Total Column Ozone (OMTO3) data provides near-daily global coverage of atmospheric ozone concentrations. The product is derived from the Ozone Monitoring Instrument aboard NASA's Aura satellite, launched in July 2004, using an enhanced TOMS version-8 algorithm on ultraviolet radiance data. It is produced by NASA OMI scientists with contributions from the Netherlands Agency for Aerospace Programs and the Finnish Meteorological Institute.
Data files are in BIN and ISO formats, which may require specialized software for access and processing. The listed future 'last updated' date suggests caution with platform metadata accuracy.