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VIIRS I-Band 375 m Active Fire Data [1]

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Date: 2025-05

What is the VIIRS 375 m Active Fire Product?

The Visible Infrared Imaging Radiometer Suite (VIIRS) 375 m thermal anomalies/active fire product provides data from the VIIRS sensor aboard the joint NASA/NOAA Suomi National Polar-orbiting Partnership (Suomi NPP) and NOAA-20 satellites. The 375 m data complements Moderate Resolution Imaging Spectroradiometer (MODIS) fire detection. The MODIS and VIIRS products both show good agreement in hotspot detection, but the improved spatial resolution of the VIIRS 375 m data product provides a greater response over fires of relatively small areas and provides improved mapping of large fire perimeters. The 375 m data product also has improved nighttime performance. Consequently, these data are well suited for use in support of fire management (e.g., near real-time alert systems), as well as other science applications requiring improved fire mapping fidelity.

Recommended reading: VIIRS 375 m Active Fire Algorithm User Guide (updated May 2024), VNP14IMGTDL_NRT (Suomi NPP), VJ114IMGTDL_NRT (NOAA-20), and VJ214IMGTDL_NRT (NOAA-21)

View the data in the FIRMS Global Fire Map or FIRMS US/Canada

Download the data in geographic information system (GIS) formats through LANCE.

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[1] Url: https://www.earthdata.nasa.gov/learn/find-data/near-real-time/firms/viirs-i-band-375-m-active-fire-data

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