Geomagnetic Auroral Electrojet (AE) index Home Page

Welcome to WDC for Geomagnetism, Kyoto AE index service

The AE indices for 1988 (Jul.-Dec.) and 1989 (except for Mar.) have not yet been derived.

Version definition of AE/Dst index

  1. Real-time (Quicklook) AE index  

  2. Provisional AE index [1996 - ]

  3. Plot and download of final or provisional AE one min. value are available from the page of
    " Geomagnetic Data Explorer (HAPI)". [1975 - ]

  4. Plot and download of AE hourly value are available from the page of
    " Geomagnetic Data Explorer (HAPI)". [Jul., 1957 - 1987]

  5. Monthly files containing hourly AE indices in IAGA2002 like format [1957 - 1987]

  6. Monthly files containing 2.5 min. resolution AE indices [1966 - 1974]

  7. On AE index
    [description in the Data Book No 25, "Auroral electrojet indices (Provisional AE) 1992", 1998]

  8. AE Observatories [under construction]

  9. List of papers using AE index