List of magnetic storms in April 2004
Location — Station Vostok (geographic coordinates — 78.45 S 106.83 E | time zone UTC+03)
Days with magnetic storms — 12
03 April 2004 — Magnetic storm of level G3
05 April 2004 — Magnetic storm of level G3
06 April 2004 — Magnetic storm of level G2
08 April 2004 — Magnetic storm of level G2
09 April 2004 — Magnetic storm of level G1
10 April 2004 — Magnetic storm of level G1
12 April 2004 — Magnetic storm of level G1
16 April 2004 — Magnetic storm of level G1
18 April 2004 — Magnetic storm of level G1
23 April 2004 — Magnetic storm of level G2
24 April 2004 — Magnetic storm of level G1
25 April 2004 — Magnetic storm of level G1
Days with geomagnetic disturbances — 4
04 April 2004 — geomagnetic disturbances
07 April 2004 — geomagnetic disturbances
11 April 2004 — geomagnetic disturbances
19 April 2004 — geomagnetic disturbances
Maximum of solar activity in April 2004
Solar radio flux (10.7 cm) = 117
Mean planetary A index = 56
Mean planetary Kp index = 7

