Due to maintenance and move of magnetometers the measurements can give inappropriate values or no values from 30th September and a period forward.
Follow the geomagnetic development in real time! (NB! Absolute values are shown in the graphs. The data is not yet processed and may contain man-made signals. Real values in processed data (latest processed data 2020-08-31 23:59:59). Solar quiet curves shows the normal or quiet state for the magnetic field when not disturbed by solar storms. The development of quiet curves from 1978 can be seen here: Quiet curves 1978-).
Black version of this page (according to some "aurora hunters" white background makes it difficult to see images (blinds) on the page when out in the field)