Magnetic storms on Aug 21, 2011
Geomagnetic storms on Aug 21, 2011
No geomagnetic storms were observed on Aug 21, 2011Magnetic storms for the last 3 days
Max solar activity on Aug 21, 2011
Solar radio flux (10.7 cm) = 101
Mean planetary A index = 4
Mean planetary Kp index = 2 (15 nT)