The Copernicus Sentinel-3 SLSTR AOD product quantifies the abundance of aerosol particles, and monitors their global distribution & long-range transport, at the scale of 9.5 x 9.5 km2. All observations are made available in less than 3 hours from the SLSTR observation sensing time.
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Sentinel-3 SLSTR Aerosol Optical Depth (NRT)
EUMETSAT