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Geomagnetic storm on 28 Apr 1985 (G3)

Max Kp7oG3

Ap61No. 3 in 1985

Consecutive G1+ days5

Ap rank586since 1932

Kp by 3-hour slot (UTC)

00–037-

03–066-

06–097o

09–127-

12–155-

15–183-

18–213-

21–242o

The days around it

Date	Max Kp	Ap	Level
25 Apr 1985	4+	21	–
26 Apr 1985	5o	30	G1
27 Apr 1985	6-	33	G2
28 Apr 1985	7o	61	G3
29 Apr 1985	6o	17	G2
30 Apr 1985	7+	42	G3
1 May 1985	3o	10	–

Highest-Ap days of 1985

21 Apr 1985103

5 Oct 198566

28 Apr 198561

28 Feb 198560

28 Jan 198558

20 Apr 198553

30 Nov 198552

12 Jul 198548

9 Jan 198546

6 Feb 198546

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.

← 21 Apr 1985 30 Apr 1985 →

About this page

Max Kp 7o, Ap 61: No. 586 of 34,615 days since 1932 by Ap.