Daily NDVI products derived from NASA surface reflectance datasets are now available for processing from the USGS Earth Resources Observation and Science (EROS) Center Science Processing Architecture (ESPA) On Demand Interface.
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500-meter Moderate Resolution Imaging Spectroradiometer (MODIS)/Terra Surface Reflectance Daily (MOD09GA) Version 6 and MODIS/Aqua Surface Reflectance Daily (MYD09GA) Version 6 band 1 (red) and band 2 (NIR) data are used as input for Daily MODIS NDVI products delivered from ESPA.
500-meter Visible Infrared Imaging Radiometer Suite (VIIRS)/NPP Surface Reflectance Daily (VNP09GA) Version 1 band I1 (red) and band I2 (NIR) data are used as input for Daily VIIRS NDVI products delivered from ESPA.
These ordering options are visible in ESPA’s Additional MODIS/VIIRS Processing section, as shown in the image below.
The EROS Science Processing Architecture On-Demand Interface User Guide provides additional technical details about the NASA Daily MODIS and VIIRS NDVI products.