2004Year 8 of solar cycle 23

Geomagnetic storms of 2004

2004 had 46 geomagnetic storms reaching Kp 5 or more, 6 of them strong (G3 or above); the strongest reached Kp 9−. Every storm with its dates, and the Kp of every day of the year.

46Every storm

6G3–G5

Kp 9−Peak Kp

60days at Kp 5 or more

The year day by day

the day's highest Kp

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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 · 2004

13Jan

4Feb

6Mar

4Apr

1May

0Jun

5Jul

1Aug

5Sep

1Oct

2Nov

4Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
1 January 2004	G1	Kp 5−	3	39
3 January 2004	G1	Kp 5−	3	39
5 January 2004	G1	Kp 5−	3	39
6 – 7 January 2004	G2	Kp 6	6	80
9 January 2004	G1	Kp 5	3	48
10 January 2004	G1	Kp 5+	3	56
11 January 2004	G1	Kp 5−	6	39
16 January 2004	G1	Kp 5−	3	39
16 January 2004	G1	Kp 5−	6	39
22 – 24 January 2004	G3	Kp 7	33	132
25 January 2004	G2	Kp 6−	6	67
28 January 2004	G2	Kp 6−	3	67
30 January 2004	G1	Kp 5−	3	39
6 February 2004	G1	Kp 5−	3	39
11 – 12 February 2004	G2	Kp 6+	15	94
15 February 2004	G1	Kp 5−	6	39
29 February 2004	G1	Kp 5+	3	56
1 March 2004	G1	Kp 5−	3	39
9 – 10 March 2004	G2	Kp 6+	18	94
10 March 2004	G1	Kp 5	3	48
11 – 12 March 2004	G2	Kp 6+	18	94
26 March 2004	G1	Kp 5−	3	39
27 – 28 March 2004	G1	Kp 5+	6	56
3 – 4 April 2004	G2	Kp 6+	15	94
5 – 6 April 2004	G2	Kp 6+	9	94
9 April 2004	G1	Kp 5−	3	39
30 April 2004	G1	Kp 5−	3	39
12 May 2004	G1	Kp 5−	3	39
11 July 2004	G1	Kp 5	3	48
17 July 2004	G2	Kp 6	3	80
22 – 23 July 2004	G3	Kp 7	24	132
24 – 26 July 2004	G4	Kp 8	36	207
26 – 27 July 2004	G4	Kp 9−	27	300
30 – 31 August 2004	G3	Kp 7	18	132
14 September 2004	G1	Kp 5−	3	39
14 – 15 September 2004	G1	Kp 5+	6	56
17 September 2004	G1	Kp 5−	3	39
18 September 2004	G1	Kp 5	6	48
20 September 2004	G1	Kp 5−	3	39
13 October 2004	G1	Kp 5	9	48
7 – 11 November 2004	G4	Kp 9−	75	300
12 November 2004	G1	Kp 5−	6	39
12 December 2004	G1	Kp 5−	3	39
12 December 2004	G1	Kp 5+	3	56
28 December 2004	G1	Kp 5−	3	39
30 December 2004	G1	Kp 5−	3	39