Magnetic storms on Aug 21, 2013
Geomagnetic storms on Aug 21, 2013
No geomagnetic storms were observed on Aug 21, 2013Magnetic storms for the last 3 days
Max solar activity on Aug 21, 2013
Solar radio flux (10.7 cm) = 132
Mean planetary A index = 18
Mean planetary Kp index = 4 (55 nT)