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Geomagnetic storm on 25 Sep 2001 (G3)

Max Kp7+G3

Ap33No. 26 in 2001

Consecutive G1+ days2

Ap rank2,493since 1932

Kp by 3-hour slot (UTC)

00–031-

03–062o

06–092o

09–121o

12–151o

15–181-

18–216o

21–247+

The days around it

Date	Max Kp	Ap	Level
22 Sep 2001	3+	8	–
23 Sep 2001	6o	41	G2
24 Sep 2001	4o	8	–
25 Sep 2001	7+	33	G3
26 Sep 2001	6-	26	G2
27 Sep 2001	4o	11	–
28 Sep 2001	4-	14	–

Highest-Ap days of 2001

31 Mar 2001192

6 Nov 2001142

24 Nov 2001104

22 Oct 200196

11 Apr 200185

20 Mar 200174

3 Oct 200169

8 Apr 200163

21 Oct 200157

2 Oct 200152

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.

← 17 Aug 2001 2 Oct 2001 →

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Max Kp 7+, Ap 33: No. 2,493 of 34,615 days since 1932 by Ap.