Geomagnetic storms in 1989
In 1989, the maximum daily Kp reached storm level (Kp 5 or more) on 123 days. 24 days were strong (Kp 7 or more) and 2 extreme (Kp 9).
Max Kp9
Storm days (Kp ≥ 5)123
Strong (Kp ≥ 7)24
Extreme (Kp 9)2
Storm days by month
Strongest storms
| Date | Max Kp | Daily Ap |
|---|---|---|
| March 13, 1989 | 9 | 246 |
| March 14, 1989 | 9 | 158 |
| October 21, 1989 | 8+ | 146 |
| October 20, 1989 | 8+ | 112 |
| November 17, 1989 | 8 | 109 |
| June 10, 1989 | 7 | 78 |
| August 15, 1989 | 7− | 77 |
| April 26, 1989 | 7− | 76 |
| March 29, 1989 | 7 | 71 |
| September 19, 1989 | 8 | 70 |
GFZ Potsdam, Kp index (CC BY 4.0), doi:10.5880/Kp.0001.