Data collected by NASA’s Spectro-polarimeter for Planetary Exploration one (SPEXone) instrument provides highly accurate Degree of Linear Polarization (DoLP) measurements of sunlight reflected from Earth’s atmosphere, land surface, and ocean.. Explore SPEXone datasets and learn more about relevant data tools.
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