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Description

The Aura Ozone Monitoring Instrument level-2 near UV Aerosol data product OMAERUV (Version 004) is available from the NASA Goddard Earth Sciences Data and Information Services Center (GES DISC) for the public access. The OMAERUV retrieval algorithm is developed by the US OMI Team Scientists. Dr. Omar Torres (GSFC/NASA) is the principal investigator of this product. The OMAERUV product contains Aerosol Optical Depth, Aerosol Single Scattering Albedo, Absorption Optical Depth, UV Aerosol Index, and Aerosol Optical Depth over clouds at three wavelengths (354, 388, and 500 nm), and other ancillary and geolocation parameters, in the OMI field of view (13x24 km).

The OMAERUV files are stored in the version 4.0 Network Common Data Form (NetCDF). Each file contains data from the day lit portion of an orbit (~53 minutes). There are approximately 14 orbits per day. The maximum file size for the OMAERUV data product is about 17 Mbytes.

Product Summary

Platforms
Aura
Instruments
OMI
Spatial Extent

N: 90 S: -90 E: 180 W: -180

Geographic Region
GLOBAL
Coordinate System
CARTESIAN
Granule Spatial Representation
GEODETIC
Temporal Extent
2004-10-01 to Present
Data Partner
Goddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Terrestrial Information Systems Laboratory, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA (NASA/GSFC/SED/ESD/TISL/GESDI
Concept ID
C3185856256-GES_DISC
Data State
ACTIVE
Number of Files/Granules
109305
Processing Level
2
Published
Updated
Science Keywords
Aerosol Extinction ,
Aerosol Optical Depth/Thickness

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Torres, O. O. (2024). OMI/Aura Near UV Aerosol Optical Depth and Single Scattering Albedo 1-orbit L2 Swath 13x24 km v4 [Data set]. NASA Goddard Earth Sciences Data and Information Services Center. https://doi.org/10.5067/AURA/OMI/DATA2404 Date Accessed: 2025-12-13

Documents

READ-ME

PI DOCUMENTATION

ALGORITHM THEORETICAL BASIS DOCUMENT (ATBD)

PUBLICATIONS

Variables

Variables are a set of physical properties whose values determine the characteristics or behavior of something. For example, temperature and pressure are variables of the atmosphere. Parameters and variables can be used interchangeably. Variable level attributes provide individual information for each variable.

The Name in this table is the variable name. Fill value indicates missing or undefined data points in a variable. Valid range is the range of values the variable can store. Scale factor is used to increase or decrease the size of an object and can be used to correct for distortion. For questions on a specific variable, please use the Earthdata Forum.

Name Description Units Data Type Fill Value Valid Range Scale Factor
GEODATA/FoV75Area GEODATA/FoV75Area km^2 float32 -1.2676506002282E+30 N/A N/A
GEODATA/FoV75CornerLatitude GEODATA/FoV75CornerLatitude degrees_north float32 -1.2676506002282E+30 -90 to 90 N/A
GEODATA/FoV75CornerLongitude GEODATA/FoV75CornerLongitude degrees_east float32 -1.2676506002282E+30 -180 to 180 N/A
GEODATA/GroundPixelQualityFlags GEODATA/GroundPixelQualityFlags N/A uint16 65535 N/A N/A
GEODATA/LandWaterClass GEODATA/LandWaterClass N/A uint8 255 N/A N/A
GEODATA/latitude GEODATA/latitude degrees_north float32 -1.2676506002282E+30 -90 to 90 N/A
GEODATA/latitude_bounds GEODATA/latitude_bounds degrees_north float32 -1.2676506002282E+30 N/A N/A
GEODATA/longitude GEODATA/longitude degrees_east float32 -1.2676506002282E+30 -180 to 180 N/A
GEODATA/longitude_bounds GEODATA/longitude_bounds degrees_east float32 -1.2676506002282E+30 N/A N/A
GEODATA/RelativeAzimuthAngle GEODATA/RelativeAzimuthAngle degrees float32 -1.2676506002282E+30 -180 to 180 N/A
GEODATA/SeaIceFraction GEODATA/SeaIceFraction 1 float32 -1.2676506002282E+30 0 to 1 N/A
GEODATA/SecondsInDay GEODATA/SecondsInDay s float64 -1.2676506002282E+30 -2.2E-100 to -2.2E-100 N/A
GEODATA/SnowFraction GEODATA/SnowFraction 1 float32 -1.2676506002282E+30 0 to 1 N/A
GEODATA/SolarZenithAngle GEODATA/SolarZenithAngle degrees float32 -1.2676506002282E+30 0 to 180 N/A
GEODATA/TerrainPressure GEODATA/TerrainPressure mbar float32 -1.2676506002282E+30 0 to 1013 N/A
GEODATA/Time GEODATA/Time s since 1993-01-01 00:00:00 float64 -1.2676506002282E+30 -2.2E-100 to -2.2E-100 N/A
GEODATA/ViewingZenithAngle GEODATA/ViewingZenithAngle degrees float32 -1.2676506002282E+30 -90 to 90 N/A
GEODATA/XTrackQualityFlags GEODATA/XTrackQualityFlags N/A uint16 65535 N/A N/A
ground_pixel ground_pixel 1 int32 N/A N/A N/A
InputSSAPair InputSSAPair 1 float32 N/A N/A N/A
layer layer km float32 N/A N/A N/A
layerforACA layerforACA km float32 N/A N/A N/A
ncloudphases ncloudphases 1 int32 N/A N/A N/A
ncorner ncorner 1 int32 N/A N/A N/A
scanline scanline 1 int32 N/A N/A N/A
SCIDATA/AerosolAbsOpticalDepthVsHeight SCIDATA/AerosolAbsOpticalDepthVsHeight 1 float32 -1.2676506002282E+30 0 to 4 N/A
SCIDATA/AerosolCorrCloudOpticalDepth SCIDATA/AerosolCorrCloudOpticalDepth 1 float32 -1.2676506002282E+30 0 to 50 N/A
SCIDATA/AerosolCorrCloudOpticalDepthVsHeight SCIDATA/AerosolCorrCloudOpticalDepthVsHeight 1 float32 -1.2676506002282E+30 0 to 10 N/A
SCIDATA/AerosolDirectRadiativeEffectsOverCloud SCIDATA/AerosolDirectRadiativeEffectsOverCloud 1 float32 -1.2676506002282E+30 0 to 500 N/A
SCIDATA/AerosolOpticalDepthOverCloud SCIDATA/AerosolOpticalDepthOverCloud 1 float32 -1.2676506002282E+30 0 to 10 N/A
SCIDATA/AerosolOpticalDepthOverCloudVsHeight SCIDATA/AerosolOpticalDepthOverCloudVsHeight 1 float32 -1.2676506002282E+30 0 to 10 N/A
SCIDATA/AerosolOpticalDepthVsHeight SCIDATA/AerosolOpticalDepthVsHeight 1 float32 -1.2676506002282E+30 0 to 10 N/A
SCIDATA/AerosolSingleScattAlbVsHeight SCIDATA/AerosolSingleScattAlbVsHeight 1 float32 -1.2676506002282E+30 N/A N/A
SCIDATA/AerosolType SCIDATA/AerosolType 1 uint8 255 N/A N/A
SCIDATA/AIRSCO_Flags SCIDATA/AIRSCO_Flags N/A uint8 255 N/A N/A
SCIDATA/AIRSL3COvalue SCIDATA/AIRSL3COvalue molecules/cm^2 float32 -9999 0 to 4999999990253224000 N/A
SCIDATA/AlgorithmFlagsVsHeight SCIDATA/AlgorithmFlagsVsHeight N/A uint16 65535 N/A N/A
SCIDATA/AlgorithmFlags_AerosolIndex SCIDATA/AlgorithmFlags_AerosolIndex N/A uint16 65535 N/A N/A
SCIDATA/ApparentCloudOpticalDepth SCIDATA/ApparentCloudOpticalDepth 1 float32 -1.2676506002282E+30 0 to 50 N/A
SCIDATA/CloudFraction SCIDATA/CloudFraction 1 float32 -1.2676506002282E+30 0 to 1 N/A
SCIDATA/CloudOpticalDepth SCIDATA/CloudOpticalDepth 1 float32 -1.2676506002282E+30 0 to 100 N/A
SCIDATA/FinalAerosolAbsOpticalDepth SCIDATA/FinalAerosolAbsOpticalDepth 1 float32 -1.2676506002282E+30 0 to 4 N/A
SCIDATA/FinalAerosolLayerHeight SCIDATA/FinalAerosolLayerHeight km float32 -1.2676506002282E+30 0 to 10 N/A
SCIDATA/FinalAerosolOpticalDepth SCIDATA/FinalAerosolOpticalDepth 1 float32 -1.2676506002282E+30 0 to 10 N/A
SCIDATA/FinalAerosolSingleScattAlb SCIDATA/FinalAerosolSingleScattAlb 1 float32 -1.2676506002282E+30 0 to 1 N/A
SCIDATA/FinalAlgorithmFlags SCIDATA/FinalAlgorithmFlags N/A uint16 65535 N/A N/A
SCIDATA/FinalAlgorithmFlagsACA SCIDATA/FinalAlgorithmFlagsACA N/A uint16 65535 N/A N/A
SCIDATA/FinalImRefIdx SCIDATA/FinalImRefIdx 1 float32 -1.2676506002282E+30 0 to 1 N/A
SCIDATA/HeightSources SCIDATA/HeightSources N/A uint8 255 N/A N/A
SCIDATA/ImaRefractiveIndex SCIDATA/ImaRefractiveIndex 1 float32 -1.2676506002282E+30 0 to 1 N/A
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