List of magnetic storms in September 2018
Location — Anchorage (geographic coordinates — 61.22 N -149.88 W | time zone UTC-09)
Days with magnetic storms — 4
10 September 2018 — Magnetic storm of level G2
11 September 2018 — Magnetic storm of level G2
13 September 2018 — Magnetic storm of level G1
21 September 2018 — Magnetic storm of level G1
Days with geomagnetic disturbances — 3
04 September 2018 — geomagnetic disturbances
12 September 2018 — geomagnetic disturbances
22 September 2018 — geomagnetic disturbances
Maximum of solar activity in September 2018
Solar radio flux (10.7 cm) = 70
Mean planetary A index = 35
Mean planetary Kp index = 6