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S2L2A Enhancement using S3SLTR F2 For Wildfire Detection

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Data collections

  • Sentinel-2 L2A
  • Sentinel-3 SLSTR

General description of the script

This script uses a combination of two different satellites – S2L2A and S3SLTR – to better highlight areas burning due to wildfires. The script adjusts the brightness of the S2L2A true color composite by using scaled values of the S3SLSTR F2 band, which increases the brightness of burning areas and decreases the values of areas which are not burning.


This script has only been tested against a small number of California wildfires, plus wildfires/warfare zones in Ukraine. It’s unproven and untested against a larger sample set.

Description of representative images

Irpin, Ukraine (March 2022)


Bobcat Fire, Los Angeles, CA (September 2020)

Bobcat Fire

Author of the script:

  • Benjamin Kuo