List of magnetic storms in July 2004
Location — Honolulu (geographic coordinates — 21.31 N -157.83 W | time zone UTC-09 - summer time)
Days with magnetic storms — 7
16 July 2004 — Magnetic storm of level G2
22 July 2004 — Magnetic storm of level G2
23 July 2004 — Magnetic storm of level G2
24 July 2004 — Magnetic storm of level G3
25 July 2004 — Magnetic storm of level G4
26 July 2004 — Magnetic storm of level G4
27 July 2004 — Magnetic storm of level G5
Days with geomagnetic disturbances — 3
11 July 2004 — geomagnetic disturbances
12 July 2004 — geomagnetic disturbances
15 July 2004 — geomagnetic disturbances
Maximum of solar activity in July 2004
Solar radio flux (10.7 cm) = 175
Mean planetary A index = 162
Mean planetary Kp index = 9

