Geomagnetic Storms in 2009
4 storms ↑ MAX: Kp 6 ↓ MIN: Kp 1

In 2009, more than 4 geomagnetic storms were recorded. The most active month was March with 1 geomagnetic storm: Kp 5 (Mar 13). Compared with 2008, that is 81% less — falling geomagnetic activity. The strongest geomagnetic storm was Kp 6 on July 22, 2009 (3 hours straight). The quietest month was March (only 1 geomagnetic storm).

Most powerful Geomagnetic Storms in 2009

Month Events Strongest event Level Duration
March 1 Kp 5 13 Mar Minor (G1) 3 h
June 1 Kp 5 24 Jun Minor (G1) 3 h
July 1 Kp 6 22 Jul Moderate (G2) 3 h
August 1 Kp 6 30 Aug Moderate (G2) 3 h