Delivery of Suomi National Polar-orbiting Partnership (Suomi NPP) satellite data products will cease on November 1, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20. Suomi NPP data announcement

VIIRS Resources

Earthdata resources for users working with NASA’s Visible Infrared Imaging Radiometer Suite (VIIRS) data include tutorials and other learning resources, news announcements such as instrument updates and data releases, user guides and related documents, and frequently asked questions.

VIIRS Learning Resources

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AJAX flight path over the Soberanes fire in California on August 24, 2016

AJAX and the Soberanes Fire

During this 2016 fire in California, the Alpha Jet Atmospheric eXperiment team collected data on ozone, formaldehyde, methane, and carbon dioxide.

StoryMap

June 5, 2026

Aerial photo of dam and reservoir on left, satellite image of same reservoir on right.

NASA Earth Observations for Reservoir and Water Utility Management

This ARSET training uses precipitation, soil moisture, and snow data to help reservoir managers assess inflows and manage water allocation and flood risks.

Training

Aug. 4-11, 2026

Estimating Surface PM2.5 Using Satellite Data and Other Information Sources

This training covers the theoretical approaches and key datasets to estimate historical PM2.5 from satellite aerosol optical depth.

Training

July 8-22, 2026

Estimación de PM2.5 en la Superficie Usando Datos de Satélites y Otras Fuentes de Información

Esta capacitación cubre las metodologías teóricas y los conjuntos de datos clave para la estimación de PM2.5 histórico a partir de la profundidad óptica de aerosoles.

Training

July 8-22, 2026

Monitoring and Predicting Floods Using Earth Observations for Planning and Preparedness

This three-part ARSET training covers flood monitoring via remote sensing, NASA flood products, and GEOGLOWS streamflow predictions.

Training

June 18-25, 2026

Four images of fires, smoke, fire locations, and burned areas from space.

Advanced NASA Earth Observations and Tools for Active Fire, Smoke, and Post-Fire Monitoring

This ARSET training introduces participants to several capabilities within FIRMS that were not included in the previous ARSET training.

Training

Jan. 14-21, 2026

Observaciones Satelitales y Herramientas de la NASA para el Monitoreo de Incendios Activos, Humo y Evaluación Post-Incendio

Esta capacitación de dos partes familarizará a los participantes con varias capacidades dentro de FIRMS que no se incluyeron en la capacitación de ARSET anterior.

Training

Jan. 14-21, 2026

NASA’s Global Flood Product shows extensive flooding in Rio Grande do Sul, Brazil on May 6, 2024, after the devastating heavy rains in the region. The 1-day product is shown here, with flooding in red, and normal surface water in blue.

Discover and Access NASA’s Near Real-Time Global Flood Products

Join us on Wed., September 17, 2025, at 2:00 p.m. EDT (-04:00 UTC) to learn how to discover, access, and use NASA's near real-time global flood products .

Webinar

Aug. 29, 2025

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VIIRS News

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This map depicts the level of evapotranspiration across the continental United States.

Kicking off Development of New Earth Observation Solutions

The Satellite Needs Working Group (SNWG) works to identify and address the Earth observation needs of civilian federal agencies. SNWG is launching its latest biennial survey to identify needs, while also reporting progress on previous solutions.

Feature Article

April 27, 2026

True-color corrected reflectance image of smoke emanating from wildfires in Georgia, USA on 21 April 2026 from the VIIRS instrument aboard the NOAA-21 satellite.

Wildland Fires in Georgia

The VIIRS instrument aboard the NOAA-21 platform captured this image on April 21, 2026.

Worldview Image of the Week

April 24, 2026

IMERG Precipitation rate overlaid on a VIIRS/NOAA-21 corrected reflectance image of Super Typhoon Sinlaku on 15 April 2026.

Super Typhoon Sinlaku Over the Northern Mariana Islands

Data overlays from Worldview show precipitation rates and sea surface temperatures in mid-April 2026, as the storm moved across the western Pacific.

Worldview Image of the Week

April 17, 2026

Satellite-derived maps use red and yellow shading to distinguish between areas of new flooding versus recurrent/repeat flooding.

NASA Enhances Global Flood Products: Smarter Detection of Flooding, and the Release of a 23-Year Archive

NASA significantly enhanced its MODIS and VIIRS near real-time flood products, enabling users to distinguish between unusual and recurring flooding.

Blog

April 10, 2026

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VIIRS Resources

VIIRS Learning Resources

AJAX and the Soberanes Fire

NASA Earth Observations for Reservoir and Water Utility Management

Estimating Surface PM2.5 Using Satellite Data and Other Information Sources

Estimación de PM2.5 en la Superficie Usando Datos de Satélites y Otras Fuentes de Información

Monitoring and Predicting Floods Using Earth Observations for Planning and Preparedness

Advanced NASA Earth Observations and Tools for Active Fire, Smoke, and Post-Fire Monitoring

Observaciones Satelitales y Herramientas de la NASA para el Monitoreo de Incendios Activos, Humo y Evaluación Post-Incendio

Discover and Access NASA’s Near Real-Time Global Flood Products

VIIRS News

Kicking off Development of New Earth Observation Solutions

Wildland Fires in Georgia

Super Typhoon Sinlaku Over the Northern Mariana Islands

NASA Enhances Global Flood Products: Smarter Detection of Flooding, and the Release of a 23-Year Archive

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