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Geomagnetic storm on 31 Oct 1972 (G3)

Max Kp7-G3

Ap29No. 23 in 1972

Consecutive G1+ days4

Ap rank3,121since 1932

Kp by 3-hour slot (UTC)

00–033-

03–062-

06–091o

09–120+

12–151o

15–185+

18–217-

21–245-

The days around it

Date	Max Kp	Ap	Level
28 Oct 1972	4-	11	–
29 Oct 1972	5o	21	G1
30 Oct 1972	4+	20	–
31 Oct 1972	7-	29	G3
1 Nov 1972	8o	98	G4
2 Nov 1972	6-	42	G2
3 Nov 1972	5+	13	G1

Highest-Ap days of 1972

5 Aug 1972182

4 Aug 1972132

18 Jun 1972126

1 Nov 197298

6 Aug 197287

9 Aug 197274

17 Jun 197262

14 Sep 197254

13 Sep 197253

7 Mar 197245

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.

← 14 Sep 1972 1 Nov 1972 →

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Max Kp 7-, Ap 29: No. 3,121 of 34,615 days since 1932 by Ap.