List of magnetic storms in April 2007
Location — Sarnia (geographic coordinates — 42.99 N -82.4 W | time zone UTC-05)
Days with magnetic storms — 8
01 April 2007 — Magnetic storm of level G1
02 April 2007 — Magnetic storm of level G1
22 April 2007 — Magnetic storm of level G1
23 April 2007 — Magnetic storm of level G1
27 April 2007 — Magnetic storm of level G1
28 April 2007 — Magnetic storm of level G1
29 April 2007 — Magnetic storm of level G1
30 April 2007 — Magnetic storm of level G1
Days with geomagnetic disturbances — 3
03 April 2007 — geomagnetic disturbances
08 April 2007 — geomagnetic disturbances
17 April 2007 — geomagnetic disturbances
Maximum of solar activity in April 2007
Solar radio flux (10.7 cm) = 87
Mean planetary A index = 30
Mean planetary Kp index = 5