Magnetic storms on May 21, 2012
Geomagnetic storms on May 21, 2012
No geomagnetic storms were observed on May 21, 2012Magnetic storms for the last 3 days
Max solar activity on May 21, 2012
Solar radio flux (10.7 cm) = 131
Mean planetary A index = 13
Mean planetary Kp index = 4 (55 nT)