1981Year 6 of solar cycle 21

Geomagnetic storms of 1981

1981 had 65 geomagnetic storms reaching Kp 5 or more, 13 of them strong (G3 or above); the strongest reached Kp 8+. Every storm with its dates, and the Kp of every day of the year.

65Every storm

13G3–G5

Kp 8+Peak Kp

97days at Kp 5 or more

The year day by day

the day's highest Kp

12345678910111213141516171819202122232425262728293031

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Kp 0–3Kp 4Kp 5 · G1Kp 6 · G2Kp 7 · G3Kp 8 · G4Kp 9 · G5

Every storm · 1981

2Jan

5Feb

7Mar

6Apr

6May

4Jun

4Jul

10Aug

2Sep

9Oct

7Nov

3Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
11 January 1981	G1	Kp 5−	3	39
31 January 1981	G1	Kp 5	3	48
2 February 1981	G1	Kp 5−	3	39
6 – 7 February 1981	G3	Kp 7−	18	111
9 February 1981	G1	Kp 5+	6	56
24 – 25 February 1981	G1	Kp 5−	9	39
26 February 1981	G2	Kp 6	3	80
1 – 2 March 1981	G1	Kp 5	15	48
5 March 1981	G3	Kp 7+	18	154
7 March 1981	G1	Kp 5−	3	39
13 – 15 March 1981	G2	Kp 6	27	80
17 March 1981	G1	Kp 5−	3	39
25 – 26 March 1981	G2	Kp 6−	18	67
31 March 1981	G1	Kp 5+	3	56
11 – 14 April 1981	G4	Kp 8+	66	236
17 April 1981	G1	Kp 5−	3	39
19 – 23 April 1981	G2	Kp 6+	66	94
24 April 1981	G1	Kp 5−	3	39
26 – 27 April 1981	G3	Kp 7+	36	154
29 April 1981	G1	Kp 5−	3	39
9 May 1981	G2	Kp 6+	6	94
10 – 11 May 1981	G3	Kp 7	18	132
15 – 16 May 1981	G3	Kp 7	36	132
17 – 18 May 1981	G3	Kp 7	18	132
20 May 1981	G2	Kp 6+	12	94
25 May 1981	G1	Kp 5+	12	56
6 June 1981	G1	Kp 5−	3	39
7 – 8 June 1981	G3	Kp 7−	18	111
25 June 1981	G1	Kp 5−	3	39
29 June 1981	G2	Kp 6	9	80
2 July 1981	G1	Kp 5−	6	39
17 July 1981	G2	Kp 6	9	80
22 – 23 July 1981	G2	Kp 6−	21	67
24 – 27 July 1981	G4	Kp 8+	45	236
6 August 1981	G1	Kp 5−	3	39
10 August 1981	G1	Kp 5−	3	39
11 August 1981	G1	Kp 5−	3	39
15 August 1981	G1	Kp 5−	3	39
17 August 1981	G1	Kp 5	3	48
18 August 1981	G1	Kp 5−	3	39
23 – 24 August 1981	G2	Kp 6+	21	94
24 August 1981	G1	Kp 5	6	48
27 August 1981	G1	Kp 5+	6	56
31 August 1981	G1	Kp 5+	3	56
18 – 19 September 1981	G2	Kp 6	15	80
26 – 27 September 1981	G1	Kp 5	12	48
2 – 3 October 1981	G2	Kp 6+	15	94
7 – 8 October 1981	G2	Kp 6+	9	94
9 October 1981	G1	Kp 5−	3	39
10 – 11 October 1981	G2	Kp 6−	24	67
13 – 14 October 1981	G4	Kp 8	9	207
14 October 1981	G2	Kp 6−	6	67
20 – 21 October 1981	G3	Kp 7	24	132
22 – 23 October 1981	G3	Kp 7	21	132
24 – 25 October 1981	G1	Kp 5	6	48
7 November 1981	G1	Kp 5−	3	39
8 November 1981	G1	Kp 5	9	48
11 – 12 November 1981	G3	Kp 7−	21	111
14 – 15 November 1981	G1	Kp 5	12	48
17 November 1981	G1	Kp 5	9	48
18 November 1981	G1	Kp 5−	3	39
25 November 1981	G1	Kp 5	9	48
12 December 1981	G1	Kp 5−	3	39
29 December 1981	G2	Kp 6	9	80
30 December 1981	G2	Kp 6−	9	67