Delivery of new Suomi NPP data ceases on Nov. 2, 2026. Users should transition to alternative products. Suomi NPP data announcement

Migration to Consolidated Ingest and Archive will interrupt data ingestion at PO.DAAC, ASF DAAC, and GES DISC on Oct. 28-30, 2026. Read more

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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Thumbnail image for ARSET: Fundamentals of air quality

Fundamentals of Remote Sensing for Air Quality Applications

This ARSET training introduces participants to the underlying science of satellite remote sensing for air quality applications.

Training

Ongoing

From Sea Surface to Sea Life: SWOT, PACE, and NISAR Watch Gulf Stream Frontal Eddies Together

NASA's new Earth-observing satellites map ocean physics and biology just hours apart, marking a leap forward in tracking fast-evolving, small-scale ocean phenomena from space.

Data in Action

Sept. 14, 2026

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

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

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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True-color corrected reflectance image of smoke and haze from fires in Indonesia on 14 October 2026 from the VIIRS instrument aboard the NOAA-21 satellite.

Fires Causing Persistent Haze Across Southeast Asia

Smoke and haze from Indonesian wildland fires have been affecting air quality in several countries.

Worldview Image of the Week

Oct. 16, 2026

view of FIRMS application showing aerosol data

New Higher-Resolution Aerosol Index, Pyrocumulonimbus Layers Now Available in NASA FIRMS

New NOAA-21 OMPS products complement existing NOAA-20 and Suomi NPP indices currently available in FIRMS, but offer a significant upgrade in spatial resolution.

Blog

Oct. 13, 2026

Precipitation shown over Japan on 29 September 2026 from the IMERG precipitation rate overlaid on a true-color corrected reflectance image from the VIIRS instrument aboard the NOAA-21 satellite.

Record Rainfall Over Central Japan

Heavy rains fell over Tokyo in September 2026 due to successive typhoons and a prolonged high-pressure front.

Worldview Image of the Week

Oct. 2, 2026

Hurricane Polo approaching Mexico City from the west

Potent Hurricane Polo in the Eastern Pacific

The category 5 hurricane underwent extremely rapid intensification. It is predicted to make landfall in the waning days of September.

Worldview Image of the Week

Sept. 25, 2026

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