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Vegetation Health Home
- VH Blended VIIRS (2013-present) & AVHRR (1981-2012)
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- 1 km VH (NOAA-20 VIIRS from January 2018)
  - Comparison at EcoSystems: NOAA-20/VIIRS vs. S-NPP/VIIRS
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Ancillary Data

VH from S-NPP/VIIRS Study
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AQUA/MODIS VH

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Sensitivity Study

MSG/SEVIRI HDF Archive

MSG/SEVIRI VH

News

NPP first images for land cover was obtained on 11/21/2011

NPP VIIRS 500m GVI data were produced since May 2, 2012 to now

Data and images displayed on STAR sites are provided for experimental use only and are not official operational NOAA products. More information>>

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STAR - Global Vegetation Health Products :

VIIRS Granules

VIIRS data are saved by Granules, each granule covers about 5 minutes observation. The figure below shows the data available from April 1 to june 30, 2002.

Plot of number of VIIRS ganules on each day