Delivery of Suomi National Polar-orbiting Partnership (Suomi NPP) satellite data products will cease on November 1, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20.
Suomi NPP data announcement
SMOS Data Access and Tools
Datasets
| Dataset Sort descending | Instrument | Temporal Extent | Version | Data State | Data Format | Science Keywords |
|---|---|---|---|---|---|---|
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Dataset V1 | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-24 | 1.0 | COMPLETE | netCDF-4 | Salinity |
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Dataset V2 | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-24 | 2.0 | COMPLETE | netCDF-4 | Salinity |
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Monthly Dataset V1 | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-09-01 | 1.0 | COMPLETE | netCDF-4 | Salinity, Ocean Surface Salinity |
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Monthly Dataset V2 | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-01 | 2.0 | COMPLETE | netCDF-4 | Salinity, Ocean Surface Salinity |
| SMAP/SMOS L3 Radiometer 9 km EASE-Grid Soil Moisture V001 | SMAP L-BAND RADIOMETER, SMOS L-BAND RADIOMETER | 2015-05-01 to 2021-12-31 | 1 | COMPLETE | HDF5 | Brightness Temperature, Surface Soil Moisture, Vegetation Optical Depth |
| SMAP/SMOS L3 Radiometer 9 km EASE-Grid Soil Moisture V002 | SMAP L-BAND RADIOMETER, SMOS L-BAND RADIOMETER | 2015-03-31 to 2026-06-30 | 2 | COMPLETE | HDF5 | Brightness Temperature, Surface Soil Moisture, Vegetation Optical Depth |
| SMOS-Based SMAP L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture V001 | SMAP L-BAND RADIOMETER, SMOS L-BAND RADIOMETER | 2015-05-01 to 2022-01-01 | 1 | COMPLETE | HDF5 | Brightness Temperature, Surface Soil Moisture, Vegetation Optical Depth |
| SMOS-Based SMAP L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture V002 | SMAP L-BAND RADIOMETER, SMOS L-BAND RADIOMETER | 2015-03-31 to 2026-07-01 | 2 | COMPLETE | HDF5 | Brightness Temperature, Surface Soil Moisture, Vegetation Optical Depth |
Frequently Asked Questions
Earthdata Forum
Our online forum provides a space for users to browse thousands of FAQs about research needs, data, and data applications. You can also submit new questions for our experts to answer.
Submit Questions to Earthdata Forumand View Expert Responses