![NASA/VIIRS/002/AERDB_D3_VIIRS_SNPP](https://developers.google.com/earth-engine/datasets/images/NASA/NASA_VIIRS_002_AERDB_D3_VIIRS_SNPP_sample.png) Dataset Availability : 2012-03-01T00:00:00Z--2026-11-02T00:00:00Z Dataset Producer : [NASA Atmosphere SIPS / LAADS DAAC](https://doi.org/10.5067/VIIRS/AERDB_D3_VIIRS_SNPP.002) Cadence : 1 Day Tags : [aerosol](https://developers.google.com/earth-engine/datasets/tags/aerosol) [aot](https://developers.google.com/earth-engine/datasets/tags/aot) [atmosphere](https://developers.google.com/earth-engine/datasets/tags/atmosphere) [daily](https://developers.google.com/earth-engine/datasets/tags/daily) [nasa](https://developers.google.com/earth-engine/datasets/tags/nasa) [noaa](https://developers.google.com/earth-engine/datasets/tags/noaa) [npp](https://developers.google.com/earth-engine/datasets/tags/npp) [viirs](https://developers.google.com/earth-engine/datasets/tags/viirs) #### Description The Visible Infrared Imaging Radiometer Suite (VIIRS) Deep Blue Level-3 Daily Global 1-Degree Gridded product (AERDB_D3_VIIRS_SNPP) provides daily global gridded aerosol parameters derived from the Suomi National Polar-orbiting Partnership (SNPP) VIIRS sensor. Data are generated using the Deep Blue (DB) algorithm over land and the Satellite Aerosol for Land and Ocean (SOAR) algorithm over ocean. The product includes statistical summaries (mean, minimum, maximum, count, and standard deviation) of aerosol optical thickness (AOT) at 550 nm across land, ocean, and combined land/ocean scenes, along with Angstrom exponent retrievals, fine-mode fraction estimates over ocean, and aerosol type classifications. Data are projected on a regular 1.0 degree equal-angle global grid (EPSG:4326). Documentation: - [Product User Guide](https://ladsweb.modaps.eosdis.nasa.gov/api/v2/content/archives/Document%20Archive/Science%20Data%20Product%20Documentation/VIIRS_Deep_Blue_Aerosol_UG_v2_March_2025.pdf) - [Algorithm Theoretical Basis Document (ATBD)](https://ladsweb.modaps.eosdis.nasa.gov/api/v2/content/archives/Document%20Archive/Science%20Data%20Product%20Documentation/Product%20Generation%20Algorithms/VIIRS_Deep_Blue_Aerosol_ATBD_March_2025.pdf) - [Deep Blue Project](https://deepblue.gsfc.nasa.gov/) - [LAADS DAAC Product Page](https://ladsweb.modaps.eosdis.nasa.gov/missions-and-measurements/products/AERDB_D3_VIIRS_SNPP#documentation) ### Bands **Bands** Pixel size: 111320 meters (all bands) | Name | Units | Pixel Size | Description | |---|---|---|---| | `Aerosol_Optical_Thickness_550_Land_Count` | count | 111320 meters | Count of aerosol optical thickness retrievals at 550 nm over land | | `Aerosol_Optical_Thickness_550_Land_Maximum` | Dimensionless | 111320 meters | Maximum aerosol optical thickness at 550 nm over land | | `Aerosol_Optical_Thickness_550_Land_Mean` | Dimensionless | 111320 meters | Mean aerosol optical thickness at 550 nm over land | | `Aerosol_Optical_Thickness_550_Land_Minimum` | Dimensionless | 111320 meters | Minimum aerosol optical thickness at 550 nm over land | | `Aerosol_Optical_Thickness_550_Land_Ocean_Count` | count | 111320 meters | Total count of aerosol optical thickness retrievals at 550 nm over land and ocean | | `Aerosol_Optical_Thickness_550_Land_Ocean_Maximum` | Dimensionless | 111320 meters | Maximum aerosol optical thickness at 550 nm over land and ocean | | `Aerosol_Optical_Thickness_550_Land_Ocean_Mean` | Dimensionless | 111320 meters | Mean aerosol optical thickness at 550 nm over land and ocean | | `Aerosol_Optical_Thickness_550_Land_Ocean_Minimum` | Dimensionless | 111320 meters | Minimum aerosol optical thickness at 550 nm over land and ocean | | `Aerosol_Optical_Thickness_550_Land_Ocean_Standard_Deviation` | Dimensionless | 111320 meters | Standard deviation of aerosol optical thickness at 550 nm over land and ocean | | `Aerosol_Optical_Thickness_550_Land_Standard_Deviation` | Dimensionless | 111320 meters | Standard deviation of aerosol optical thickness at 550 nm over land | | `Aerosol_Optical_Thickness_550_Ocean_Count` | count | 111320 meters | Count of aerosol optical thickness retrievals at 550 nm over ocean | | `Aerosol_Optical_Thickness_550_Ocean_Maximum` | Dimensionless | 111320 meters | Maximum aerosol optical thickness at 550 nm over ocean | | `Aerosol_Optical_Thickness_550_Ocean_Mean` | Dimensionless | 111320 meters | Mean aerosol optical thickness at 550 nm over ocean | | `Aerosol_Optical_Thickness_550_Ocean_Minimum` | Dimensionless | 111320 meters | Minimum aerosol optical thickness at 550 nm over ocean | | `Aerosol_Optical_Thickness_550_Ocean_Standard_Deviation` | Dimensionless | 111320 meters | Standard deviation of aerosol optical thickness at 550 nm over ocean | | `Aerosol_Type_Land_Ocean_Histogram` | count | 111320 meters | Aerosol type classification histogram over land and ocean | | `Aerosol_Type_Land_Ocean_Mode` | | 111320 meters | Mode of aerosol type classification over land and ocean | | `Angstrom_Exponent_Land_Maximum` | Dimensionless | 111320 meters | Maximum Angstrom exponent over land | | `Angstrom_Exponent_Land_Mean` | Dimensionless | 111320 meters | Mean Angstrom exponent over land | | `Angstrom_Exponent_Land_Minimum` | Dimensionless | 111320 meters | Minimum Angstrom exponent over land | | `Angstrom_Exponent_Land_Ocean_Maximum` | Dimensionless | 111320 meters | Maximum Angstrom exponent over land and ocean | | `Angstrom_Exponent_Land_Ocean_Mean` | Dimensionless | 111320 meters | Mean Angstrom exponent over land and ocean | | `Angstrom_Exponent_Land_Ocean_Minimum` | Dimensionless | 111320 meters | Minimum Angstrom exponent over land and ocean | | `Angstrom_Exponent_Land_Ocean_Standard_Deviation` | Dimensionless | 111320 meters | Standard deviation of Angstrom exponent over land and ocean | | `Angstrom_Exponent_Land_Standard_Deviation` | Dimensionless | 111320 meters | Standard deviation of Angstrom exponent over land | | `Angstrom_Exponent_Ocean_Maximum` | Dimensionless | 111320 meters | Maximum Angstrom exponent over ocean | | `Angstrom_Exponent_Ocean_Mean` | Dimensionless | 111320 meters | Mean Angstrom exponent over ocean | | `Angstrom_Exponent_Ocean_Minimum` | Dimensionless | 111320 meters | Minimum Angstrom exponent over ocean | | `Angstrom_Exponent_Ocean_Standard_Deviation` | Dimensionless | 111320 meters | Standard deviation of Angstrom exponent over ocean | | `Fine_Mode_Fraction_550_Ocean_Mean` | Dimensionless | 111320 meters | Mean fine-mode aerosol volume/optical fraction at 550 nm over ocean | | `Fine_Mode_Fraction_550_Ocean_Standard_Deviation` | Dimensionless | 111320 meters | Standard deviation of fine-mode aerosol fraction at 550 nm over ocean | | `Spectral_Aerosol_Optical_Thickness_Land_Count` | count | 111320 meters | Count of spectral aerosol optical thickness retrievals over land | | `Spectral_Aerosol_Optical_Thickness_Land_Mean` | Dimensionless | 111320 meters | Mean spectral aerosol optical thickness over land | | `Spectral_Aerosol_Optical_Thickness_Land_Standard_Deviation` | Dimensionless | 111320 meters | Standard deviation of spectral aerosol optical thickness over land | | `Spectral_Aerosol_Optical_Thickness_Ocean_Count` | count | 111320 meters | Count of spectral aerosol optical thickness retrievals over ocean | | `Spectral_Aerosol_Optical_Thickness_Ocean_Mean` | Dimensionless | 111320 meters | Mean spectral aerosol optical thickness over ocean | | `Spectral_Aerosol_Optical_Thickness_Ocean_Standard_Deviation` | Dimensionless | 111320 meters | Standard deviation of spectral aerosol optical thickness over ocean | | `Unsuitable_Pixel_Fraction_Land_Ocean` | Dimensionless | 111320 meters | Fraction of pixels within grid cell deemed unsuitable for aerosol retrieval | **Aerosol_Type_Land_Ocean_Mode Class Table** | Value | Color | Description | |---|---|---| | 0 | None | Dust | | 1 | None | Smoke | | 2 | None | High Altitude Smoke | | 3 | None | Pyrocumulonimbus Clouds | | 4 | None | Non-Smoke Fine Mode | | 5 | None | Mixed | | 6 | None | Background / Maritime | | 7 | None | Fine Dominated | ### Terms of Use **Terms of Use** This dataset is freely available under the NASA Earth Science Open Data Policy. Users are requested to cite the dataset using the DOI: . ### Citations Citations: - Hsu, C., et al. (2019). VIIRS/SNPP Deep Blue Aerosol Optical Depth Daily L3 Global 1.0 Deg Grid. NASA Goddard Space Flight Center, [doi:10.5067/VIIRS/AERDB_D3_VIIRS_SNPP.002](https://doi.org/10.5067/VIIRS/AERDB_D3_VIIRS_SNPP.002) ### DOIs - ### Explore with Earth Engine > [!NOTE] > **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine) ### Code Editor (JavaScript) ```javascript var dataset = ee.ImageCollection('NASA/VIIRS/002/AERDB_D3_VIIRS_SNPP') .filter(ee.Filter.date('2023-08-01', '2023-08-10')); var aot = dataset.select('Aerosol_Optical_Thickness_550_Land_Ocean_Mean'); var aotVis = { min: 0.0, max: 1.0, palette: ['0000ff', '00ffff', '00ff00', 'ffff00', 'ff0000'] }; Map.setCenter(0.0, 20.0, 2); Map.addLayer(aot, aotVis, 'Aerosol Optical Thickness (550nm)'); ``` [Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/NASA/NASA_VIIRS_002_AERDB_D3_VIIRS_SNPP) [AERDB_D3_VIIRS_SNPP.002: VIIRS/SNPP Deep Blue Aerosol Optical Depth Daily L3 Global 1.0 Deg Grid](https://developers.google.com/earth-engine/datasets/catalog/NASA_VIIRS_002_AERDB_D3_VIIRS_SNPP) The Visible Infrared Imaging Radiometer Suite (VIIRS) Deep Blue Level-3 Daily Global 1-Degree Gridded product (AERDB_D3_VIIRS_SNPP) provides daily global gridded aerosol parameters derived from the Suomi National Polar-orbiting Partnership (SNPP) VIIRS sensor. Data are generated using the Deep Blue (DB) algorithm over land and the Satellite Aerosol for Land and ... NASA/VIIRS/002/AERDB_D3_VIIRS_SNPP, aerosol,aot,atmosphere,daily,nasa,noaa,npp,viirs 2012-03-01T00:00:00Z/2026-11-02T00:00:00Z -90 -180 90 180 Google Earth Engine https://developers.google.com/earth-engine/datasets - [https://doi.org/10.5067/VIIRS/AERDB_D3_VIIRS_SNPP.002](https://doi.org/https://doi.org/10.5067/VIIRS/AERDB_D3_VIIRS_SNPP.002) - [https://doi.org/10.5067/VIIRS/AERDB_D3_VIIRS_SNPP.002](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/NASA_VIIRS_002_AERDB_D3_VIIRS_SNPP)