Top left panel: Maximum and minimum northward magnetic field variation.
Top right panel: Estimated eastward and westward ionospheric electrojets across Finland.
Bottom panel: Info about available magnetometer data.
There is only a rough automatic quality control on these results, so errors can appear. Cyan dots refer to time steps at which data from less than half of magnetometer stations are available.
The plots are created automatically every 5th minute.
IU and IL are also available as a text file.
Results shown here are based on the software originally applied in the EURISGIC and ECLAT projects. The research leading to these results received funding from the European Community's Seventh Framework Programme (FP7/2007-2013) under grant agreements no 260330 (EURISGIC) and 263325 (ECLAT).
Page updated on 20 Oct 2026.
Comments to Sebastian Käki (at fmi.fi).