Home › Geomagnetic history › 1991

Geomagnetic storm on 1 Jun 1991 (G3)

Max Kp7+G3

Ap74No. 16 in 1991

Consecutive G1+ days3

Ap rank368since 1932

Kp by 3-hour slot (UTC)

00–034-

03–065+

06–097o

09–126+

12–157-

15–187+

18–212o

21–243+

The days around it

Date	Max Kp	Ap	Level
29 May 1991	5+	22	G1
30 May 1991	3+	12	–
31 May 1991	7-	52	G3
1 Jun 1991	7+	74	G3
2 Jun 1991	7o	60	G3
3 Jun 1991	4+	16	–
4 Jun 1991	7+	58	G3

Highest-Ap days of 1991

5 Jun 1991196

24 Mar 1991161

13 Jul 1991134

25 Mar 1991130

29 Oct 1991128

13 Jun 1991120

10 Jun 1991119

9 Nov 1991119

9 Jul 1991117

26 Mar 1991114

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.

← 31 May 1991 2 Jun 1991 →

About this page

Max Kp 7+, Ap 74: No. 368 of 34,615 days since 1932 by Ap.