Magnetic storms on Sep 21, 2016
Geomagnetic storms on Sep 21, 2016
No geomagnetic storms were observed on Sep 21, 2016
Magnetic storms for the last 3 days
Max solar activity on Sep 21, 2016
Solar radio flux (10.7 cm) = 86
Mean planetary A index = 19
Mean planetary Kp index = 4 (55 nT)