List of magnetic storms in May 2021
Location — Birobidzhan (geographic coordinates — 48.8 N 132.92 E | time zone UTC+10)
Days with magnetic storms — 5
12 May 2021 — Magnetic storm of level G3
13 May 2021 — Magnetic storm of level G3
20 May 2021 — Magnetic storm of level G1
21 May 2021 — Magnetic storm of level G1
27 May 2021 — Magnetic storm of level G1
Days with geomagnetic disturbances — 1
18 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