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Reflectance Data Access and Tools

From discovery to visualization, data tools such as Worldview, Earthdata Search, and Fire Information for Resource Management System (FIRMS) guide users in making the most of reflectance data.

Reflectance Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
NOAA-21 VIIRS Level-2 Regional Ocean Color (OC) Data, version 2025.0 2025.0 NOAA-21 VIIRS 2022-11-10 to Present

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

netCDF-4
NOAA-21 VIIRS Level-3 Global Binned Remote-Sensing Reflectance (RRS) - Near Real-time (NRT) Data, version 2025.0 2025.0 NOAA-21 VIIRS 2022-11-10 to Present

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

netCDF-4
NOAA-21 VIIRS Level-3 Global Binned Remote-Sensing Reflectance (RRS) Data, version 2025.0 2025.0 NOAA-21 VIIRS 2022-11-10 to Present

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

netCDF-4
NOAA-21 VIIRS Level-3 Global Mapped Remote-Sensing Reflectance (RRS) - Near Real-time (NRT) Data, version 2025.0 2025.0 NOAA-21 VIIRS 2022-11-10 to Present

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

netCDF-4
NOAA-21 VIIRS Level-3 Global Mapped Remote-Sensing Reflectance (RRS) Data, version 2025.0 2025.0 NOAA-21 VIIRS 2022-11-10 to Present

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

netCDF-4
OLCI/Sentinel-3A L1 Full Resolution Top of Atmosphere Reflectance 1 SENTINEL-3A OLCI 2016-04-25 to Present

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

netCDF-4
OLCI/Sentinel-3A L1 Reduced Resolution Top of Atmosphere Reflectance 1 SENTINEL-3A OLCI 2016-04-25 to Present

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

netCDF-4
OLCI/Sentinel-3B L1 Full Resolution Top of Atmosphere Reflectance 1 SENTINEL-3B OLCI 2018-05-14 to Present

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

netCDF-4
OLCI/Sentinel-3B L1 Reduced Resolution Top of Atmosphere Reflectance 1 SENTINEL-3B OLCI 2018-05-14 to Present

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

netCDF-4
OMI/Aura Global Geometry-Dependent Surface LER 1-Orbit L2 Swath 13x24km V004 (OMGLER) 004 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Global Geometry-Dependent Surface LER 1-Orbit L2 Swath 13x24km V3 (OMGLER) 003 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Ozone (O3) Total Column 1-Orbit L2 Swath 13x24 km V004 NRT 004 Aura OMI 2004-07-15

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

OMI/Aura Ozone (O3) Total Column Daily L2 Global Gridded 0.25 degree x 0.25 degree V004 (OMTO3G) 004 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Ozone (O3) Total Column Daily L2 Global Gridded 0.25 degree x 0.25 degree V3 (OMTO3G) 003 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Ozone(O3) Total Column 1-Orbit L2 Swath 13x24 km V003 (OMTO3) 003 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Ozone(O3) Total Column 1-Orbit L2 Swath 13x24 km V004 (OMTO3) 004 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura TOMS-Like Ozone, Aerosol Index, Cloud Radiance Fraction L3 1 day 1 degree x 1 degree V004 (OMTO3d) 004 Aura OMI 2004-10-01 to Present

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

1 Decimal Degrees x 1 Decimal Degrees
OMI/Aura TOMS-Like Ozone, Aerosol Index, Cloud Radiance Fraction L3 1 day 1 degree x 1 degree V3 (OMTO3d) 003 Aura OMI 2004-10-01 to Present

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

1 Decimal Degrees x 1 Decimal Degrees
OMI/Aura TOMS-Like Ozone and Radiative Cloud Fraction L3 1 day 0.25 degree x 0.25 degree V004 (OMTO3e) 004 Aura OMI 2004-10-01 to Present

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

0.25 Decimal Degrees x 0.25 Decimal Degrees
OMI/Aura TOMS-Like Ozone and Radiative Cloud Fraction L3 1 day 0.25 degree x 0.25 degree V3 (OMTO3e) 003 Aura OMI 2004-10-01 to Present

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

0.25 Decimal Degrees x 0.25 Decimal Degrees
OrbView-2 SeaWiFS Level-2 Regional Global Area Coverage (GAC) Ocean Color (OC) Data, version 2022.0 2022.0 OrbView-2 SeaWiFS 1997-09-04 to 2010-12-11

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

netCDF-4
OrbView-2 SeaWiFS Level-2 Regional Merged Local Area Coverage (MLAC) Ocean Color (OC) Data, version 2022.0 2022.0 OrbView-2 SeaWiFS 1997-09-04 to 2010-12-11

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

netCDF-4
OrbView-2 SeaWiFS Level-3 Global Binned Remote-Sensing Reflectance (RRS) Data, version 2022.0 2022.0 OrbView-2 SeaWiFS 1997-09-04 to 2010-12-11

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

netCDF-4
OrbView-2 SeaWiFS Level-3 Global Mapped Remote-Sensing Reflectance (RRS) Data, version 2022.0 2022.0 OrbView-2 SeaWiFS 1997-09-04 to 2010-12-11

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

netCDF-4
PACE HARP2 Level-2 Regional Aerosol Over Land Optical Properties, FastMAPOL Algorithm - Near Real-time (NRT) Data, version 4.0 4.0 PACE HARP2 2024-02-05 to Present

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

netCDF-4
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Featured Reflectance Observation Method: MODIS

The Moderate Resolution Imaging Spectroradiometer (MODIS) is a key instrument aboard the Terra and Aqua platforms. Terra and Aqua survey Earth's surface every one to two days, acquiring data in 36 spectral bands. The MODIS surface reflectance products provide an estimate of the surface spectral reflectance as it would be measured at ground level in the absence of atmospheric scattering or absorption.

Learn More About MODIS
True color corrected reflectance image of Africa, Europe, and Asia from the VIIRS instrument aboard the NOAA-21 satellite

From MODIS to VIIRS: Continuing the Legacy

The Visible Infrared Imaging Radiometer Suite (VIIRS) will help ensure continuity of Earth observations after the upcoming retirement of the Moderate Resolution Imaging Spectroradiometer (MODIS).

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