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Aerosol Optical Depth/Thickness Data Access and Tools

Access datasets and tools to optimize your aerosols research.

Aerosol Optical Depth/Thickness 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) - 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-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
OLCI+SLSTR/Sentinel-3A L2 Surface Reflectance and Aerosol parameters over Land 1 Sentinel-3A SLSTR, OLCI 2019-12-17 to Present

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

netCDF-4
OLCI+SLSTR/Sentinel-3B L2 Surface Reflectance and Aerosol parameters over Land 1 Sentinel-3B SLSTR, OLCI 2019-12-17 to Present

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

netCDF-4
OMI/Aura Absorbing Aerosol Index 1-orbit L2 Swath 13x24 km V004 (OMAERO) at GES DISC 004 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Aerosol product Multi-wavelength Algorithm Zoomed 1-Orbit L2 Swath 13x12km V003 (OMAEROZ) at GES DISC 003 Aura OMI 2004-10-01 to Present

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

12 Kilometers x 13 Kilometers
OMI/Aura Level 2 Near UV Aerosol Optical Depth and Single Scattering Albedo 200-m swath subset along CloudSat track V003 (OMAERUV_CPR) at GES DISC 003 Aura OMI 2006-06-01 to 2017-05-10

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

24 Kilometers x 13 Kilometers
OMI/Aura Multi-wavelength Aerosol Optical Depth and Single Scattering Albedo 1-orbit L2 Swath 13x24 km V003 (OMAERO) at GES DISC 003 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Multi-wavelength Aerosol Optical Depth and Single Scattering Albedo Daily L2 Global Gridded 0.25 degree x 0.25 degree V3 (OMAEROG) at GES DISC 003 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Multi-wavelength Aerosol Optical Depth and Single Scattering Albedo L3 1 day Best Pixel in 0.25 degree x 0.25 degree V3 (OMAEROe) at GES DISC 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
OMI/Aura Near UV Aerosol Index, Optical Depth and Single Scattering Albedo 1-Orbit L2 13x24km 1 Aura OMI 2004-10-01 to 2023-05-04

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

24 Kilometers x 13 Kilometers
OMI/Aura Near UV Aerosol Optical Depth and Single Scattering Albedo 1-orbit L2 Swath 13x24 km V003 NRT 003 Aura OMI 2004-07-15
OMI/Aura Near UV Aerosol Optical Depth and Single Scattering Albedo 1-orbit L2 Swath 13x24 km V003 (OMAERUV) at GES DISC 003 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Near UV Aerosol Optical Depth and Single Scattering Albedo 1-orbit L2 Swath 13x24 km V004 (OMAERUV) at GES DISC 004 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Near UV Aerosol Optical Depth and Single Scattering Albedo 1-orbit L2 Swath 13x24 km V004 (OMAERUV) NRT 004 Aura OMI 2004-07-15

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

OMI/Aura Near UV Aerosol Optical Depth and Single Scattering Albedo Daily L2 Global Gridded 0.25 degree x 0.25 degree V3 (OMAERUVG) at GES DISC 003 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura Near UV Aerosol Optical Depth and Single Scattering Albedo L3 1 day 1.0 degree x 1.0 degree V3 (OMAERUVd) at GES DISC 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 Ozone (O3) Total Column Daily L2 Global Gridded 0.25 degree x 0.25 degree V004 (OMTO3G) at GES DISC 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) at GES DISC 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) at GES DISC 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) at GES DISC 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) at GES DISC 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) at GES DISC 003 Aura OMI 2004-10-01 to Present

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

1 Decimal Degrees x 1 Decimal Degrees
OMPS-NPP L2 NM Aerosol Index swath orbital 2 Suomi-NPP OMPS 2011-11-07 to Present

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

Optical Thickness Cross-Calib. (FIFE) 1 C-130, FIELD INVESTIGATION SUN PHOTOMETERS, ANEROID PRESSURE SENSOR 1989-08-04 to 1989-08-06

N: 39.22 S: 39.22 E: -97.12 W: -97.12

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MODIS

Moderate Resolution Imaging Spectroradiometer (MODIS) instruments are aboard NASA’s Terra and Aqua platforms and provide estimates about aerosol optical depth. Terra's orbit is timed so that it passes from north to south across the equator in the morning, while Aqua passes south to north over the equator in the afternoon.

MODIS data in NASA Worldview
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).

Aerosol Optical Depth/Thickness Data Tools

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Tool Description Services
AppEEARS The The Application for Extracting and Exploring Analysis Ready Samples (AppEEARS) offers users a simple and efficient way to perform data access and transformation processes. Search and Discovery, Subsetting, Customization, Downloading, Visualization
Panoply Panoply is a cross-platform application that plots geo-referenced and other arrays from netCDF, HDF, GRIB, and other datasets. Visualization, Customization, Reformatting, Subsetting, Comparison
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