Annual Summary of Artificial Light At Night from VIIRS/S-NPP at CONUS County and Census Tract V1 (ALAN_VIIRS_CONUS) at GES DISC

Published by NASA/GSFC/SED/ESD/TISL/GESDISC | National Aeronautics and Space Administration | Metadata Last Checked: October 11, 2025 | Last Modified: 2025-09-10

This product provides detailed information about the satellite-based data on artificial light at night (ALAN). The Suomi National Polar-orbiting Partnership (S-NPP) Visible Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band (DNB) nighttime lights (NTL) product (VNP46A4, DOI: 10.5067/VIIRS/VNP46A4.001 ) in NASA’s Black Marble suite is used to derive annual summary of ALAN levels throughout the CONUS at both county and tract level for the period of 2012-2020. The PI Dr. Qian Xiao is a member of NASA Heath and Air Quality Applied Sciences Team (HAQAST).

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	10.5067/TZY5MHFMYLKQ
landingPage	https://docserver.gesdisc.eosdis.nasa.gov/public/project/Images/ALAN_VIIRS_CONUS_1.png
programCode	[ "026:000" ]
spatial	["CARTESIAN",[{"WestBoundingCoordinate":-129.9979,"NorthBoundingCoordinate":49.99792,"EastBoundingCoordinate":-60.00208,"SouthBoundingCoordinate":20.00208}]]
temporal	2012-01-01/2012-01-01
theme	[ "Earth Science" ]