Data

These data are intended for use by the academic community. We ask that the data not be used for commercial purposes, nor in any project in which you, your organisation, or your collaborators are in a commercial agreement with any third party.

Commercial users should contact us or leave a message.

BGS Observatory Data

1-second and 1-minute mean values are available on application.

• Current UK data
• Hourly mean values
• Monthly bulletins
• Historical Magnetograms (link to main BGS website)
• Yearbooks and historical articles

Magnetic Indices

• K-indices
• aa-index
• Ap-index

Global Observatory and Survey Data

In its role as World Data Centre for Geomagnetism (Edinburgh) we make available the following data for scientific research. If the data are used in publications and presentations, the data suppliers and this WDC should be acknowledged. For commercial applications of these data, please contact the relevant institute directly.

• Observatory annual mean values
• Global magnetic survey data
• Historical observation records