List of magnetic storms in April 2018
Location — San Antonio (geographic coordinates — 29.46 N -98.52 W | time zone UTC-05 - summer time)
Days with magnetic storms — 3
10 April 2018 — Magnetic storm of level G1
19 April 2018 — Magnetic storm of level G1
20 April 2018 — Magnetic storm of level G2
Days with geomagnetic disturbances — 3
09 April 2018 — geomagnetic disturbances
11 April 2018 — geomagnetic disturbances
12 April 2018 — geomagnetic disturbances
Maximum of solar activity in April 2018
Solar radio flux (10.7 cm) = 77
Mean planetary A index = 47
Mean planetary Kp index = 6