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  • Northern Hemisphere
  • Masthead platform instrument info DSCOVR/EPIC
  • Masthead date range 30 April 2017

Sensing ozone from 1 Million Miles Away

This image shows the northern hemisphere ozone field from sunrise to sunset, and was created using the Earth Polychromatic Imaging Camera (EPIC) aboard the DSCOVR satellite. EPIC creates images of the entire Earth disk at 1-1.6 hour intervals each day from a point approximately 1 million miles away.

Ozone in the Northern Hemisphere Spring

Yellow and dark red colors indicate areas of high ozone. During the northern hemisphere spring, these higher ozone values frequently originate at high northern latitudes and flow southward. The red spot in the center of the US represents an abnormally high value of ozone that occurs occasionally.


NASA's data policy ensures that all NASA data are available fully, openly, and without restrictions. Here's what this means to you.


The Earth Observing System Data and Information System is a key core capability in NASA’s Earth Science Data Systems Program. It provides end-to-end capabilities for managing NASA’s Earth science data from various sources—satellites, aircraft, field measurements, and various other programs.

Webinar: NASA PO.DAAC State Of The Ocean: I spy with my little eye something...

Event Dates: January 30, 2018-January 19, 2018

Join us to learn how to use the NASA Physical Oceanography Distributed Active Archive Center's State Of The Ocean (SOTO) toolkit to visualize and compare physical oceanography data!

Tropical Cyclone Berguitta (06S) in the South Indian Ocean

Image captured on 16 January 2018, by the MODIS instrument, on board the Terra satellite.

Webinar: Bio-Optical in situ Data Discovery and Access with SeaBASS

Event Date: January 24, 2018

This webinar will cover how SeaBASS can be leveraged for data search, discovery, and access, and will demonstrate how SeaBASS supports NASA’s ocean color satellite products and the broader scientific community. Join us to learn more!

The big fat puzzle

Can cold melt fat?

User Profile: Dr. Laura Bourgeau-Chavez

Who uses NASA Earth science data? Dr. Laura Bourgeau-Chavez, for studying wetlands and wildfire.

OMPS Near Real-Time Data Now Available Through LANCE

Near real-time ozone and sulfur dioxide data products from the OMPS instrument are now available through the Land, Atmosphere Near real-time Capability for EOS (LANCE) system.

AppEEARS 2.0: New Features and Data to Further Improve User Workflow Efficiency

The latest enhancements to the AppEEARS program provide access to more datasets along with greater flexibility for working with Earth observing data from NASA and other federal data archives.

Getting Ready for NISAR—and for Managing Big Data using the Commercial Cloud

The upcoming NISAR satellite mission is expected to add as much as 85 TB of data each day to the EOSDIS archive. The commercial cloud is being explored as a way to archive and disseminate this extremely high volume of data efficiently.

Bringing Light to the Night: New VIIRS Nighttime Imagery Available through GIBS

New imagery products available through GIBS provide stunning views of Earth at night.

News & Events

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