Geomagnetic Storms of 2024
30 geomagnetic storms of G1 or more began in 2024: 9 G1, 10 G2, 6 G3, 3 G4, 2 G5. The strongest began May 10, 2024 and reached Kp 9, rank 8 of every storm since 1932.
By month
Every storm of 2024
Times are UT, when the first block at Kp 5 or more began.
| Began (UTC) | Level | Peak Kp | Hours | Highest daily Ap |
|---|---|---|---|---|
| Mar 3, 12:00 | G2 Moderate | 6+ | 9 | 34 |
| Mar 23, 21:00 | G2 Moderate | 6- | 3 | 31 |
| Mar 24, 12:00 | G4 Severe | 8+ | 18 | 68 |
| Apr 16, 18:00 | G1 Minor | 5+ | 6 | 31 |
| Apr 19, 12:00 | G3 Strong | 7 | 9 | 45 |
| Apr 26, 15:00 | G1 Minor | 5 | 3 | 17 |
| May 2, 12:00 | G3 Strong | 7- | 9 | 42 |
| May 6, 00:00 | G1 Minor | 5+ | 3 | 16 |
| May 10, 15:00 | G5 Extreme | 9 | 39 | 271 |
| May 12, 21:00 | G2 Moderate | 6+ | 9 | 53 |
| May 16, 06:00 | G2 Moderate | 6 | 6 | 27 |
| May 17, 15:00 | G2 Moderate | 6 | 9 | 30 |
| Jun 7, 12:00 | G2 Moderate | 6+ | 6 | 29 |
| Jun 28, 09:00 | G4 Severe | 8- | 12 | 60 |
| Jul 26, 03:00 | G1 Minor | 5 | 3 | 24 |
| Jul 30, 03:00 | G1 Minor | 5+ | 3 | 22 |
| Aug 1, 00:00 | G1 Minor | 5+ | 3 | 19 |
| Aug 4, 12:00 | G3 Strong | 7 | 6 | 49 |
| Aug 11, 12:00 | G4 Severe | 8 | 36 | 127 |
| Aug 17, 15:00 | G2 Moderate | 6+ | 9 | 30 |
| Aug 28, 00:00 | G2 Moderate | 6- | 9 | 24 |
| Sep 12, 06:00 | G3 Strong | 7 | 21 | 71 |
| Sep 13, 21:00 | G2 Moderate | 6 | 3 | 35 |
| Sep 17, 00:00 | G3 Strong | 7+ | 15 | 71 |
| Oct 7, 00:00 | G3 Strong | 7 | 33 | 55 |
| Oct 10, 15:00 | G5 Extreme | 9- | 24 | 116 |
| Oct 19, 00:00 | G1 Minor | 5 | 3 | 25 |
| Nov 9, 12:00 | G1 Minor | 5 | 3 | 31 |
| Nov 10, 18:00 | G2 Moderate | 6- | 3 | 25 |
| Dec 17, 03:00 | G1 Minor | 5+ | 6 | 28 |
More
Sources
Kp and ap from GFZ Helmholtz Centre for Geosciences, Geomagnetic Observatory Niemegk, licensed CC BY 4.0: Matzka, J., Stolle, C., Yamazaki, Y., Bronkalla, O. and Morschhauser, A., 2021, The geomagnetic Kp index and derived indices of geomagnetic activity, Space Weather, doi:10.1029/2020SW002641; data doi:10.5880/Kp.0001. Storms, levels and aurora reach worked out by WeatherOverTime from those values and NOAA’s space weather scales. Definitive through August 31, 2026; later values are preliminary. Rebuilt 2026-09-24.