List of magnetic storms in April 2005
Location — Sarnia (geographic coordinates — 42.99 N -82.4 W | time zone UTC-05)
Days with magnetic storms — 10
04 April 2005 — Magnetic storm of level G3
05 April 2005 — Magnetic storm of level G3
11 April 2005 — Magnetic storm of level G2
12 April 2005 — Magnetic storm of level G1
13 April 2005 — Magnetic storm of level G1
14 April 2005 — Magnetic storm of level G1
19 April 2005 — Magnetic storm of level G1
20 April 2005 — Magnetic storm of level G1
29 April 2005 — Magnetic storm of level G1
30 April 2005 — Magnetic storm of level G2
Days with geomagnetic disturbances — 5
01 April 2005 — geomagnetic disturbances
15 April 2005 — geomagnetic disturbances
23 April 2005 — geomagnetic disturbances
24 April 2005 — geomagnetic disturbances
25 April 2005 — geomagnetic disturbances
Maximum of solar activity in April 2005
Solar radio flux (10.7 cm) = 106
Mean planetary A index = 48
Mean planetary Kp index = 7