Geomagnetic Storms in 2011
27 storms ↑ MAX: Kp 8 ↓ MIN: Kp 1

In 2011, more than 20 geomagnetic storms were recorded. The most active month was September with 6 geomagnetic storms: Kp 8 (Sep 26), Kp 7 (Sep 9), Kp 6 (Sep 17). Compared with 2010, that is 42% more — rising geomagnetic activity. The strongest geomagnetic storm was Kp 8 on August 5, 2011 (9 hours straight). The quietest month was January (only 1 geomagnetic storm).

Most powerful Geomagnetic Storms in 2011

Month Events Strongest event Level Duration
January 1 Kp 5 6 Jan Minor (G1) 3 h
February 2 Kp 6 4 Feb Moderate (G2) 3 h
March 3 Kp 6 1 Mar Moderate (G2) 6 h
April 4 Kp 6 6 Apr Moderate (G2) 3 h
May 4 Kp 6 28 May Moderate (G2) 6 h
June 2 Kp 6 4 Jun Moderate (G2) 6 h
July 3 Kp 5 5 Jul Minor (G1) 3 h
August 1 Kp 8 5 Aug Severe (G4) 9 h
September 6 Kp 8 26 Sep Severe (G4) 12 h
October 1 Kp 7 24 Oct Strong (G3) 12 h