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UK observatory measurements

Magnetic measurements at the UK observatories

Magnetic measurements at the UK observatories

UK K indices and global Kp

K indices for the UK observatories and global Kp

Hourly Standard Deviation

Hourly Standard deviation at UK observatories

Activity Alerts

The "Geomagnetic Activity" button changes from green to red when an increase in geomagnetic activity is detected.

The "Solar wind Events" button turns red when a shock in the solar wind is detected, or when the interplanetary magnetic field has been pointed southward for an extended period of time.

Solar wind

Data from the ACE satellite (NOAA)

3-hourly ap index

3-hourly KUK index

KUK is a local version of the Kp index using just the three UK observatories.