List of magnetic storms in May 2021
Location — Bern (geographic coordinates — 46.92 N 7.47 E | time zone UTC+01)
Days with magnetic storms — 3
12 May 2021 — Magnetic storm of level G3
20 May 2021 — Magnetic storm of level G1
26 May 2021 — Magnetic storm of level G1
Days with geomagnetic disturbances — 3
18 May 2021 — geomagnetic disturbances
21 May 2021 — geomagnetic disturbances
27 May 2021 — geomagnetic disturbances
Maximum of solar activity in May 2021
Solar radio flux (10.7 cm) = 88
Mean planetary A index = 41
Mean planetary Kp index = 7