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Geomagnetic storm on 17 Jun 1991 (G3)

Max Kp7+G3

Ap67No. 19 in 1991

Consecutive G1+ days2

Ap rank464since 1932

Kp by 3-hour slot (UTC)

00–033-

03–063-

06–092+

09–126-

12–156+

15–186o

18–217+

21–247-

The days around it

Date	Max Kp	Ap	Level
14 Jun 1991	3+	8	–
15 Jun 1991	4o	13	–
16 Jun 1991	2o	5	–
17 Jun 1991	7+	67	G3
18 Jun 1991	5-	26	G1
19 Jun 1991	4+	28	–
20 Jun 1991	4o	14	–

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.

← 13 Jun 1991 8 Jul 1991 →

About this page

Max Kp 7+, Ap 67: No. 464 of 34,615 days since 1932 by Ap.