Solar radiation enters the Earth's atmosphere with a portion being scattered by clouds and aerosols.

Processing, archiving and distributing Earth science data
at the NASA Langley Research Center

  CALIPSO IIR V4.20 L2 Product Release Announcement

CALIPSO IIR L2 Swath Data Products

IIR Level 2 Swath Data Products

Half orbit (Night and Day) emissivity and cloud particle data assigned to IIR pixels on a 1 km grid centered on the Lidar track 

NOTE: Users are strongly cautioned against using Expedited data products as the basis for research findings or journal publications. Standard data sets only should be used for these purposes.
Products Temporal Reolution Spatial Resolution Temporal Coverage

Version 3.45, Beta

Expedited Data Set 

8.15 seconds


09/01/2018 - Present


Version 3.40, Beta

8.15 seconds

1 km

12/01/2016 – 08/31/2018


Version 3.30, Beta

8.15 seconds

1 km

03/06/2012 - 11/30/2016


Version 3.02, Beta

8.15 seconds

1 km

11/01/2011 - 02/28/2013


Version 3.01, Beta

8.15 seconds

1 km

06/13/2006 - 10/31/2011

Project Documentation

Product Specific Documentation

Introductory Material
Product Specifics