UiT logo Tromsø Geophysical Observatory
Faculty of Science and Technology
UiT, The Arctic University of Norway
Geomagnetic Activity Index Plot
Select one or more sites:   

  Tromsø
  Bjørnøya
  Ny Ålesund
  Rørvik
  Solund
  Dombås
  Karmøy

 Select a startdate:

   



OR goto the
ASCII output

The geomagnetic index is the absolute mean deviation from daily mean H, in nT.

Responsible Editor: Magnar Gullikstad Johnsen
Web & Programming: Børre Heitmann Holmeslet
Last page update 5.Mars 2020