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VNP19A2 Version 2 is a NASA/NOAA Suomi NPP satellite data product providing daily global land aerosol optical depth (AOD) at a 750-meter pixel resolution. The product includes layers for AOD, uncertainty, quality assurance, smoke plume injection height, and various atmospheric and view geometry parameters. It is produced by LPCLOUD using the VIIRS instrument and the MAIAC atmospheric correction algorithm.
The product uses a Rotated Sinusoidal (RSIN) projection at 750m resolution, not the 1km SIN grid stated in the official long name. Processing of selected overlapping tiles has been discontinued to eliminate redundancy.