Service International des Indices Géomagnétiques
International Service of Geomagnetic Indices

Data plot

This service allows the plot of geomagnetic indices that are not officially endorsed by IAGA but are already widely used and/or under development.
The data plots are limited to a 1-year time range.
Plots may be printed and saved with the 'Print'/'Print to file' menu of your browser.

Data type
  ASY/SYM (since 1981) (since 1959)
Data range
  from... to...