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OMI/Aura Ozone (O3) Total Column Daily L3 Global 0.25deg Lat/Lon Grid NRT provides daily, near-real-time global maps of total atmospheric ozone concentration. The OMI science team generates this product by selecting the best pixel data from filtered level-2 measurements and gridding them onto a 0.25 x 0.25 degree global lattice. Each daily file contains data from approximately 15 satellite orbits and includes total column ozone, radiative cloud fraction, and solar and viewing zenith angles.
Data is stored in the HDF-EOS5 format, which requires specialized libraries for access and processing. License information is inconsistent across sources; users should verify terms directly with the provider.