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Geomagnetic storm on 26 Jul 1981 (G4)

Max Kp8oG4

Ap78No. 5 in 1981

Consecutive G1+ days6

Ap rank325since 1932

Kp by 3-hour slot (UTC)

00–038o

03–067-

06–096o

09–125o

12–156-

15–186-

18–214o

21–243+

The days around it

Date	Max Kp	Ap	Level
23 Jul 1981	6-	37	G2
24 Jul 1981	5-	13	G1
25 Jul 1981	8+	134	G4
26 Jul 1981	8o	78	G4
27 Jul 1981	5o	24	G1
28 Jul 1981	3-	8	–
29 Jul 1981	2+	5	–

Highest-Ap days of 1981

25 Jul 1981134

13 Apr 1981121

12 Apr 198196

5 Mar 198181

26 Jul 198178

14 Oct 198173

22 Oct 198172

20 Oct 198167

26 Apr 198162

11 May 198161

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.

← 25 Jul 1981 14 Oct 1981 →

About this page

Max Kp 8o, Ap 78: No. 325 of 34,615 days since 1932 by Ap.