The Madrigal Database manages and serves archival and real-time data from upper-atmosphere science instruments in multiple formats.
NMDB
The Neutron Monitor Database provides real-time and historical measurements from neutron monitor stations around the world.
About NMDB
NMDB is the Neutron Monitor Database, providing access to neutron monitor measurements from stations around the world. It covers real-time high-resolution measurements and historical data related to cosmic rays, with a search interface.
It distributes official data provided by the principal investigators of the neutron monitor stations. Retrieved data remain the property of individual providers, are free for non-commercial use within provider restrictions, and require acknowledgement of NMDB and the individual monitors.
Key features
- Access neutron monitor measurements from stations worldwide
- Real-time high-resolution neutron monitor measurements
- Historical neutron monitor measurements
- Search interface for measurements
- Official station data provided by principal investigators
- Station information pages with acknowledgement details
Best for: Researchers and others who need neutron monitor data for non-commercial research or applications.
Good for
- Provides both real-time and historical measurements
- Distributes official data provided by station principal investigators
- Data are free for non-commercial use within provider restrictions
Watch out for
- Data remain the property of individual providers with provider restrictions
- Data of different origin may not be validated or authorised by the PI
- Use requires acknowledgement of NMDB and individual monitors
NMDB at a glance
- Website
- nmdb.eu
- Category
- Research & Data › Open Data & Datasets
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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NMDB FAQ
Can NMDB data be used commercially?
No. Data retrieved via NMDB are free for non-commercial use within the restrictions imposed by the providers.
How should NMDB data be acknowledged?
Acknowledge NMDB with a sentence noting www.nmdb.eu and its founding under the European Union's FP7 programme (contract no. 213007), and acknowledge individual monitors as described on their station information pages.
Is all NMDB data validated by station principal investigators?
No. NMDB distributes official data provided by station PIs, but data of different origin may not have been validated or authorised by the respective PI.
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