List of magnetic storms in April 2011
Location — Station Mirny (geographic coordinates — 66.55 S 93 E | time zone UTC+03)
Days with magnetic storms — 11
01 April 2011 — Magnetic storm of level G1
02 April 2011 — Magnetic storm of level G2
03 April 2011 — Magnetic storm of level G1
06 April 2011 — Magnetic storm of level G2
08 April 2011 — Magnetic storm of level G1
12 April 2011 — Magnetic storm of level G2
13 April 2011 — Magnetic storm of level G2
18 April 2011 — Magnetic storm of level G1
20 April 2011 — Magnetic storm of level G2
22 April 2011 — Magnetic storm of level G1
30 April 2011 — Magnetic storm of level G3
Days with geomagnetic disturbances — 3
09 April 2011 — geomagnetic disturbances
23 April 2011 — geomagnetic disturbances
24 April 2011 — geomagnetic disturbances
Maximum of solar activity in April 2011
Solar radio flux (10.7 cm) = 129
Mean planetary A index = 43
Mean planetary Kp index = 7