Magnetic storms on Sep 18, 2011
Geomagnetic storms on Sep 18, 2011
No geomagnetic storms were observed on Sep 18, 2011Magnetic storms for the last 3 days
Max solar activity on Sep 18, 2011
Solar radio flux (10.7 cm) = 150
Mean planetary A index = 21
Mean planetary Kp index = 3 (23 nT)