Geomagnetic storms in 2004
In 2004, the maximum daily Kp reached storm level (Kp 5 or more) on 60 days. 10 days were strong (Kp 7 or more) and 4 extreme (Kp 9).
Max Kp9−
Storm days (Kp ≥ 5)60
Strong (Kp ≥ 7)10
Extreme (Kp 9)4
Storm days by month
Strongest storms
| Date | Max Kp | Daily Ap |
|---|---|---|
| July 27, 2004 | 9− | 186 |
| November 10, 2004 | 9− | 161 |
| July 25, 2004 | 8 | 154 |
| November 8, 2004 | 9− | 140 |
| November 9, 2004 | 9− | 119 |
| January 22, 2004 | 7 | 64 |
| July 23, 2004 | 6 | 52 |
| November 7, 2004 | 8 | 50 |
| July 26, 2004 | 7+ | 47 |
| March 10, 2004 | 6+ | 45 |
GFZ Potsdam, Kp index (CC BY 4.0), doi:10.5880/Kp.0001.