Geomagnetic storms in 2021
In 2021, the maximum daily Kp reached storm level (Kp 5 or more) on 27 days. 2 days were strong (Kp 7 or more) and 0 extreme (Kp 9).
Max Kp8−
Storm days (Kp ≥ 5)27
Strong (Kp ≥ 7)2
Extreme (Kp 9)0
Storm days by month
Strongest storms
| Date | Max Kp | Daily Ap |
|---|---|---|
| November 4, 2021 | 8− | 72 |
| October 12, 2021 | 6+ | 46 |
| May 12, 2021 | 7 | 42 |
| April 17, 2021 | 5− | 28 |
| March 20, 2021 | 6− | 27 |
| March 1, 2021 | 6− | 25 |
| May 20, 2021 | 5+ | 24 |
| September 17, 2021 | 5+ | 23 |
| March 14, 2021 | 5 | 23 |
| March 21, 2021 | 5− | 22 |
GFZ Potsdam, Kp index (CC BY 4.0), doi:10.5880/Kp.0001.