Magnetic storms on May 21, 2011
Geomagnetic storms on May 21, 2011
No geomagnetic storms were observed on May 21, 2011Magnetic storms for the last 3 days
Max solar activity on May 21, 2011
Solar radio flux (10.7 cm) = 84
Mean planetary A index = 5
Mean planetary Kp index = 2 (19 nT)