2011Year 3 of solar cycle 24

Geomagnetic storms of 2011

2011 had 25 geomagnetic storms reaching Kp 5 or more, 2 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.

25Every storm

2G3–G5

Kp 8−Peak Kp

34days 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 · 2011

1Jan

3Feb

3Mar

4Apr

2May

1Jun

1Jul

1Aug

6Sep

2Oct

1Nov

0Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
7 January 2011	G1	Kp 5	3	48
4 – 5 February 2011	G2	Kp 6−	9	67
14 February 2011	G1	Kp 5+	3	56
18 February 2011	G1	Kp 5	6	48
1 March 2011	G1	Kp 5+	6	56
10 – 11 March 2011	G1	Kp 5+	9	56
11 – 12 March 2011	G2	Kp 6−	9	67
6 April 2011	G1	Kp 5	9	48
12 April 2011	G1	Kp 5	6	48
20 April 2011	G1	Kp 5	3	48
29 – 30 April 2011	G1	Kp 5+	9	56
28 May 2011	G2	Kp 6+	12	94
29 May 2011	G1	Kp 5+	9	56
4 – 5 June 2011	G2	Kp 6+	9	94
30 July 2011	G1	Kp 5	3	48
5 – 6 August 2011	G4	Kp 8−	12	179
9 – 10 September 2011	G2	Kp 6−	27	67
12 – 13 September 2011	G1	Kp 5−	9	39
17 September 2011	G1	Kp 5+	9	56
26 – 27 September 2011	G2	Kp 6+	18	94
27 – 28 September 2011	G1	Kp 5−	6	39
29 September 2011	G2	Kp 6−	6	67
1 October 2011	G1	Kp 5−	3	39
24 – 25 October 2011	G3	Kp 7+	15	154
1 November 2011	G1	Kp 5−	3	39