2005Year 9 of solar cycle 23

Geomagnetic storms of 2005

2005 had 58 geomagnetic storms reaching Kp 5 or more, 14 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.

58Every storm

14G3–G5

Kp 9−Peak Kp

77days 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 · 2005

9Jan

3Feb

5Mar

6Apr

6May

5Jun

7Jul

5Aug

4Sep

3Oct

2Nov

3Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
2 January 2005	G2	Kp 6−	12	67
4 January 2005	G1	Kp 5−	3	39
7 – 8 January 2005	G4	Kp 8−	15	179
12 January 2005	G1	Kp 5+	6	56
14 January 2005	G1	Kp 5	3	48
17 – 19 January 2005	G4	Kp 8−	57	179
20 January 2005	G1	Kp 5−	3	39
21 – 22 January 2005	G4	Kp 8	15	207
31 January 2005	G1	Kp 5−	3	39
7 – 8 February 2005	G2	Kp 6−	12	67
8 – 9 February 2005	G1	Kp 5	6	48
18 February 2005	G2	Kp 6+	9	94
6 March 2005	G1	Kp 5+	3	56
6 – 8 March 2005	G2	Kp 6−	27	67
9 March 2005	G1	Kp 5	6	48
14 March 2005	G1	Kp 5−	3	39
19 March 2005	G1	Kp 5−	3	39
4 – 5 April 2005	G3	Kp 7	15	132
5 April 2005	G1	Kp 5−	3	39
12 April 2005	G1	Kp 5	6	48
13 April 2005	G1	Kp 5	6	48
20 April 2005	G1	Kp 5−	3	39
30 April 2005	G1	Kp 5	3	48
1 May 2005	G1	Kp 5−	3	39
7 – 8 May 2005	G4	Kp 8+	21	236
13 May 2005	G1	Kp 5−	3	39
15 – 16 May 2005	G4	Kp 8+	30	236
20 May 2005	G1	Kp 5	6	48
29 – 30 May 2005	G4	Kp 8−	21	179
4 June 2005	G2	Kp 6−	3	67
12 – 13 June 2005	G3	Kp 7+	18	154
14 June 2005	G1	Kp 5−	3	39
16 – 17 June 2005	G1	Kp 5	12	48
23 June 2005	G3	Kp 7	15	132
9 July 2005	G1	Kp 5	3	48
10 July 2005	G2	Kp 6+	15	94
11 – 12 July 2005	G2	Kp 6+	15	94
13 July 2005	G1	Kp 5+	9	56
17 – 18 July 2005	G1	Kp 5+	12	56
20 – 21 July 2005	G1	Kp 5	9	48
27 – 28 July 2005	G1	Kp 5+	9	56
6 August 2005	G1	Kp 5−	6	39
21 August 2005	G1	Kp 5−	3	39
24 – 25 August 2005	G4	Kp 9−	18	300
25 August 2005	G1	Kp 5	3	48
31 August 2005	G3	Kp 7	12	132
2 – 3 September 2005	G3	Kp 7−	12	111
4 September 2005	G1	Kp 5−	6	39
10 – 13 September 2005	G4	Kp 8−	69	179
15 September 2005	G3	Kp 7	12	132
7 October 2005	G1	Kp 5−	3	39
8 October 2005	G1	Kp 5−	3	39
31 October 2005	G1	Kp 5	3	48
3 November 2005	G1	Kp 5−	3	39
29 November 2005	G1	Kp 5−	3	39
1 December 2005	G1	Kp 5−	3	39
11 December 2005	G1	Kp 5−	3	39
27 December 2005	G1	Kp 5+	6	56