5,2751932–2026

Geomagnetic storms since 1932

Every storm that pushed the Kp index to 5 or more since 1932: 5,275 of them, 756 strong (G3 or above) and 23 extreme (G5). Each with its peak, its hours, the Kp every three hours and the places that could see the lights.

Year by year

1940 1950 1960 1970 1980 1990 2000 2010 2020

G1 minorG2 moderateG3 strongG4 severeG5 extreme

The latest storms

G310 October 2026Kp 7+ · 9 h G24 – 5 October 2026Kp 6− · 18 h G17 – 8 September 2026Kp 5 · 9 h G118 – 19 August 2026Kp 5+ · 6 h G118 August 2026Kp 5− · 3 h G28 August 2026Kp 6 · 6 h G22 August 2026Kp 6− · 3 h G123 July 2026Kp 5 · 6 h

Decades

1930

193252 193351 193429 193541 193641 193751 193865 193972

1940

194066 194169 194275 194385 194453 194547 194672 194765 194867 194959

1950

195082 1951105 195287 195370 195444 195553 195685 195786 195886 195982

1960

196097 196168 196257 196355 196448 196525 196633 196745 196850 196939

1970

197046 197148 197247 197373 1974101 197570 197659 197749 197871 197965

1980

198046 198165 1982102 1983104 198488 198565 198650 198743 198848 198981

1990

199072 199184 199281 199375 199472 199573 199631 199733 199841 199957

2000

200066 200146 200253 200390 200446 200558 200632 200726 200813 20094

2010

201012 201125 201239 201324 201424 201548 201647 201738 201816 201913

2020

20209 202124 202247 202340 202438 202564 202636

The strongest storms

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
10 – 12 May 2024	G5	Kp 9	39	400
29 October – 1 November 2003	G5	Kp 9	69	400
14 – 16 July 2000	G5	Kp 9	36	400
12 – 17 March 1989	G5	Kp 9	90	400
7 – 9 February 1986	G5	Kp 9	60	400
12 – 15 July 1982	G5	Kp 9	63	400
4 – 7 August 1972	G5	Kp 9	66	400
7 – 9 March 1970	G5	Kp 9	39	400
25 – 26 May 1967	G5	Kp 9	33	400
12 – 16 November 1960	G5	Kp 9	81	400
5 – 8 October 1960	G5	Kp 9	60	400
27 April – 1 May 1960	G5	Kp 9	78	400
15 – 16 July 1959	G5	Kp 9	27	400
8 – 10 July 1958	G5	Kp 9	42	400
10 – 12 February 1958	G5	Kp 9	48	400
2 – 6 September 1957	G5	Kp 9	96	400
21 – 24 September 1946	G5	Kp 9	51	400
26 – 27 July 1946	G5	Kp 9	21	400
18 – 20 September 1941	G5	Kp 9	48	400
4 – 5 July 1941	G5	Kp 9	30	400
1 – 2 March 1941	G5	Kp 9	33	400
23 – 27 March 1940	G5	Kp 9	75	400
16 April 1938	G5	Kp 9	18	400
19 – 21 January 2026	G4	Kp 9−	42	300
12 – 13 November 2025	G4	Kp 9−	30	300
10 – 11 October 2024	G4	Kp 9−	24	300
24 – 25 August 2005	G4	Kp 9−	18	300
7 – 11 November 2004	G4	Kp 9−	75	300
26 – 27 July 2004	G4	Kp 9−	27	300
20 – 21 November 2003	G4	Kp 9−	27	300