Magnetic storms on May 21, 2021
Geomagnetic storms on May 21, 2021
No geomagnetic storms were observed on May 21, 2021Magnetic storms for the last 3 days
Max solar activity on May 21, 2021
Solar radio flux (10.7 cm) = 74
Mean planetary A index = 24
Mean planetary Kp index = 3 (30 nT)