List of magnetic storms in December 2017
Location — Anchorage (geographic coordinates — 61.22 N -149.88 W | time zone UTC-09)
Days with magnetic storms — 3
05 December 2017 — Magnetic storm of level G1
16 December 2017 — Magnetic storm of level G1
17 December 2017 — Magnetic storm of level G1
Days with geomagnetic disturbances — 4
04 December 2017 — geomagnetic disturbances
12 December 2017 — geomagnetic disturbances
26 December 2017 — geomagnetic disturbances
31 December 2017 — geomagnetic disturbances
Maximum of solar activity in December 2017
Solar radio flux (10.7 cm) = 76
Mean planetary A index = 29
Mean planetary Kp index = 5