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Geomagnetic storm on 26 Jul 2004 (G3)

Max Kp7+G3

Ap47No. 9 in 2004

Consecutive G1+ days6

Ap rank1,098since 1932

Kp by 3-hour slot (UTC)

00–037+

03–064-

06–092-

09–122o

12–151+

15–182o

18–214-

21–247+

The days around it

Date	Max Kp	Ap	Level
23 Jul 2004	6o	52	G2
24 Jul 2004	6o	37	G2
25 Jul 2004	8o	154	G4
26 Jul 2004	7+	47	G3
27 Jul 2004	9-	186	G5
28 Jul 2004	4-	15	–
29 Jul 2004	2+	6	–

Highest-Ap days of 2004

27 Jul 2004186

10 Nov 2004161

25 Jul 2004154

8 Nov 2004140

9 Nov 2004119

22 Jan 200464

23 Jul 200452

7 Nov 200450

26 Jul 200447

10 Mar 200445

Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.

← 25 Jul 2004 27 Jul 2004 →

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Max Kp 7+, Ap 47: No. 1,098 of 34,615 days since 1932 by Ap.