MODIS/Aqua Surface Reflectance Quality Daily L2G Global 1km SIN Grid NRT

Published by NASA/GSFC/EOS/ESDIS/LANCE MODIS | National Aeronautics and Space Administration | Metadata Last Checked: September 14, 2025 | Last Modified: 2025-09-11

The MODIS/Aqua Surface Reflectance Quality Daily L2G Global 1km SIN Grid Near Real Time (NRT) product, short name MYD09GST, is a restructured version of its primary input, the state QA data in MYD09_L2. This product summarizes the quality of the MYD09 products, specifically atmospheric and other correction states. The product contains quality assurance data pertaining to cloud and cloud shadow, land and water designations, aerosols, and the data source of corrections performed on the file. The data set also contains the number of observations for each pixel.

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earth-science-surface-radiative-properties-land-surface-reflectance

Complete Metadata

bureauCode	[ "026:00" ]
identifier	10.5067/MODIS/MYD09GST.NRT.061
landingPage	https://earthdata.nasa.gov/earth-observation-data/near-real-time/download-nrt-data/modis-nrt
programCode	[ "026:000" ]
spatial	["CARTESIAN",[{"NorthBoundingCoordinate":90,"WestBoundingCoordinate":-180,"EastBoundingCoordinate":180,"SouthBoundingCoordinate":-90}]]
temporal	2021-02-07/2021-02-07
theme	[ "Earth Science" ]