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OMI/Aura satellite data provides vertical column density (VCD) estimates of sulfur dioxide (SO2) at a nadir resolution of 13x24 km². The dataset uses a principal component analysis (PCA)-based algorithm (v2) with updated Jacobian tables to improve retrievals for anthropogenic and volcanic SO2 sources. Each granule contains data from the daylit half of an orbit (~53 minutes), with approximately 14 orbits per day covering a 2600 km swath.
Data is stored in HDF-EOS5 format, which may require specific libraries or tools for access and processing. License details are not explicitly defined.