Magnetic storms on Feb 21, 2011
Geomagnetic storms on Feb 21, 2011
No geomagnetic storms were observed on Feb 21, 2011Magnetic storms for the last 3 days
Max solar activity on Feb 21, 2011
Solar radio flux (10.7 cm) = 105
Mean planetary A index = 9
Mean planetary Kp index = 3 (26 nT)