• SMAP L1-L3 data products may experience latency delays from now through 28 February 2026 as we perform archive maintenance. We apologize for any inconvenience.

Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

Data Access & Tools

A free NASA Earthdata Login account is required to access these data. Learn More

Help Articles

General Questions & FAQs

This article covers frequently asked questions about the NASA NSIDC DAAC's Earthdata cloud migration project and what it means to data users.