Geomagnetic Storms in 2004
57 storms ↑ MAX: Kp 9 ↓ MIN: Kp 1
57 storms ↑ MAX: Kp 9 ↓ MIN: Kp 1
In 2004, more than 50 geomagnetic storms were recorded. The most active month was January with 14 geomagnetic storms: Kp 7 (Jan 22), Kp 5 (Jan 1), Kp 5 (Jan 3). Compared with 2003, that is 63% less — falling geomagnetic activity. The strongest geomagnetic storm was Kp 9 on July 26, 2004 (24 hours straight). The quietest month was May (only 1 geomagnetic storm).
Most powerful Geomagnetic Storms in 2004
| Month | Events | Strongest event | Level | Duration |
|---|---|---|---|---|
| January | 14 | Kp 7 22 Jan | Strong (G3) | 18 h |
| February | 7 | Kp 6 11 Feb | Moderate (G2) | 6 h |
| March | 4 | Kp 6 9 Mar | Moderate (G2) | 15 h |
| April | 4 | Kp 5 3 Apr | Minor (G1) | 6 h |
| May | 1 | Kp 5 20 May | Minor (G1) | 3 h |
| June | 1 | Kp 5 15 Jun | Minor (G1) | 3 h |
| July | 5 | Kp 9 26 Jul | Extreme (G5) | 24 h |
| August | 3 | Kp 6 30 Aug | Moderate (G2) | 9 h |
| September | 4 | Kp 5 14 Sep | Minor (G1) | 3 h |
| October | 2 | Kp 5 13 Oct | Minor (G1) | 9 h |
| November | 7 | Kp 9 7 Nov | Extreme (G5) | 21 h |
| December | 5 | Kp 5 1 Dec | Minor (G1) | 3 h |