Geomagnetic Storms in 2005
69 storms ↑ MAX: Kp 9 ↓ MIN: Kp 1

In 2005, more than 60 geomagnetic storms were recorded. The most active month was January with 11 geomagnetic storms: Kp 8 (Jan 21), Kp 7 (Jan 7), Kp 7 (Jan 17). Compared with 2004, that is 21% more — rising geomagnetic activity. The strongest geomagnetic storm was Kp 9 on May 15, 2005 (9 hours straight). The quietest month was November (only 1 geomagnetic storm).

Most powerful Geomagnetic Storms in 2005

Month Events Strongest event Level Duration
January 11 Kp 8 21 Jan Severe (G4) 12 h
February 3 Kp 6 7 Feb Moderate (G2) 15 h
March 7 Kp 6 6 Mar Moderate (G2) 15 h
April 6 Kp 7 4 Apr Strong (G3) 9 h
May 9 Kp 9 15 May Extreme (G5) 9 h
June 8 Kp 7 23 Jun Strong (G3) 6 h
July 9 Kp 6 10 Jul Moderate (G2) 15 h
August 6 Kp 9 24 Aug Extreme (G5) 18 h
September 7 Kp 9 10 Sep Extreme (G5) 69 h
November 1 Kp 5 3 Nov Minor (G1) 3 h
December 2 Kp 5 11 Dec Minor (G1) 3 h