List of magnetic storms in September 2004
Location — Station Vostok (geographic coordinates — 78.45 S 106.83 E | time zone UTC+03)
Days with magnetic storms — 11
06 September 2004 — Magnetic storm of level G1
07 September 2004 — Magnetic storm of level G2
08 September 2004 — Magnetic storm of level G1
14 September 2004 — Magnetic storm of level G2
15 September 2004 — Magnetic storm of level G1
16 September 2004 — Magnetic storm of level G2
17 September 2004 — Magnetic storm of level G1
18 September 2004 — Magnetic storm of level G1
20 September 2004 — Magnetic storm of level G1
22 September 2004 — Magnetic storm of level G2
23 September 2004 — Magnetic storm of level G1
Days with geomagnetic disturbances — 4
05 September 2004 — geomagnetic disturbances
21 September 2004 — geomagnetic disturbances
24 September 2004 — geomagnetic disturbances
25 September 2004 — geomagnetic disturbances
Maximum of solar activity in September 2004
Solar radio flux (10.7 cm) = 131
Mean planetary A index = 41
Mean planetary Kp index = 6

