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Geomagnetic storm on 25 Jul 2004 (G4)

Max Kp8oG4

Ap154No. 3 in 2004

Consecutive G1+ days6

Ap rank41since 1932

Kp by 3-hour slot (UTC)

00–037o

03–067+

06–096+

09–128-

12–157+

15–188o

18–217+

21–247+

The days around it

Date	Max Kp	Ap	Level
22 Jul 2004	7o	31	G3
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	–

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.

← 22 Jul 2004 26 Jul 2004 →

About this page

Max Kp 8o, Ap 154: No. 41 of 34,615 days since 1932 by Ap.