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NOAA-21 Data Access and Tools

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NOAA-21 VIIRS Level-2 Regional Ocean Color (OC) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Ocean Color, Reflectance, Aerosol Optical Depth/Thickness, Angstrom Exponent, Chlorophyll Concentration, Attenuation/Transmission, Organic Carbon, Inorganic Carbon, Fluorescence, Photosynthetically Active Radiation
NOAA-21 VIIRS Level-3 Global Binned Chlorophyll (CHL) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Chlorophyll Concentration, Chlorophyll, Chlorophyll, Chlorophyll, Chlorophyll Concentrations, Phytoplankton
NOAA-21 VIIRS Level-3 Global Binned Chlorophyll (CHL) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Chlorophyll Concentration, Chlorophyll, Chlorophyll, Chlorophyll, Chlorophyll Concentrations, Phytoplankton
NOAA-21 VIIRS Level-3 Global Binned Diffuse Attenuation Coefficient of Downwelling Irradiance (KD) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Attenuation/Transmission
NOAA-21 VIIRS Level-3 Global Binned Diffuse Attenuation Coefficient of Downwelling Irradiance (KD) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Attenuation/Transmission
NOAA-21 VIIRS Level-3 Global Binned Inherent Optical Properties (IOP) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Absorption, Scattering, Gelbstoff, Phytoplankton
NOAA-21 VIIRS Level-3 Global Binned Inherent Optical Properties (IOP) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Absorption, Scattering, Gelbstoff, Phytoplankton
NOAA-21 VIIRS Level-3 Global Binned Normalized Difference Vegetation Index Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Normalized Difference Vegetation Index (NDVI)
NOAA-21 VIIRS Level-3 Global Binned Particulate Inorganic Carbon (PIC) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Inorganic Carbon, CARBON, Ocean Optics
NOAA-21 VIIRS Level-3 Global Binned Particulate Inorganic Carbon (PIC) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Inorganic Carbon, CARBON, Ocean Optics
NOAA-21 VIIRS Level-3 Global Binned Particulate Organic Carbon (POC) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Organic Carbon, CARBON, Ocean Optics
NOAA-21 VIIRS Level-3 Global Binned Particulate Organic Carbon (POC) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Organic Carbon, CARBON, Ocean Optics
NOAA-21 VIIRS Level-3 Global Binned Photosynthetically Available Radiation (PAR) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Photosynthetically Active Radiation
NOAA-21 VIIRS Level-3 Global Binned Photosynthetically Available Radiation (PAR) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Photosynthetically Active Radiation
NOAA-21 VIIRS Level-3 Global Binned Remote-Sensing Reflectance (RRS) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Reflectance
NOAA-21 VIIRS Level-3 Global Binned Remote-Sensing Reflectance (RRS) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Reflectance
NOAA-21 VIIRS Level-3 Global Mapped Chlorophyll (CHL) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Chlorophyll Concentration, Chlorophyll, Chlorophyll, Chlorophyll, Chlorophyll Concentrations, Phytoplankton
NOAA-21 VIIRS Level-3 Global Mapped Chlorophyll (CHL) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Chlorophyll Concentration, Chlorophyll, Chlorophyll, Chlorophyll, Chlorophyll Concentrations, Phytoplankton
NOAA-21 VIIRS Level-3 Global Mapped Diffuse Attenuation Coefficient of Downwelling Irradiance (KD) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Attenuation/Transmission
NOAA-21 VIIRS Level-3 Global Mapped Diffuse Attenuation Coefficient of Downwelling Irradiance (KD) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Attenuation/Transmission
NOAA-21 VIIRS Level-3 Global Mapped Inherent Optical Properties (IOP) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Absorption, Scattering, Gelbstoff, Phytoplankton
NOAA-21 VIIRS Level-3 Global Mapped Inherent Optical Properties (IOP) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Absorption, Scattering, Gelbstoff, Phytoplankton
NOAA-21 VIIRS Level-3 Global Mapped Normalized Difference Vegetation Index Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Normalized Difference Vegetation Index (NDVI)
NOAA-21 VIIRS Level-3 Global Mapped Particulate Inorganic Carbon (PIC) - Near Real-time (NRT) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Inorganic Carbon, CARBON, Ocean Optics
NOAA-21 VIIRS Level-3 Global Mapped Particulate Inorganic Carbon (PIC) Data, version 2025.0 VIIRS 2022-11-10 to Present 2025.0 ACTIVE netCDF-4 Inorganic Carbon, CARBON, Ocean Optics

NOAA-21 Data Tools

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