Top 50 geomagnetic storms of 2023
On this page you will find an overview of the strongest geomagnetic storms of 2023 together with links to more information in our archive. The Kp-values on this page are the official, finalized Kp-values from the GFZ in Potsdam, Germany. The Ap-index provides a daily geomagnetic activity average. This page is updated daily. Times are in UTC.
| Ap | 00-03h | 03-06h | 06-09h | 09-12h | 12-15h | 15-18h | 18-21h | 21-00h | Kp max | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2023/04/23 | 65 | 2+ | 2- | 1+ | 3+ | 5- | 5+ | 8+ | 7+ | 8+ | View archive |
| 2 | 2023/03/24 | 73 | 7+ | 8 | 6+ | 4 | 2+ | 4- | 5- | 4+ | 8 | View archive |
| 3 | 2023/04/24 | 72 | 7- | 8 | 7 | 6- | 4- | 3 | 2+ | 3 | 8 | View archive |
| 4 | 2023/11/05 | 61 | 3- | 2 | 2- | 6- | 6+ | 7+ | 7- | 5- | 7+ | View archive |
| 5 | 2023/03/23 | 55 | 1- | 2- | 3 | 5- | 7- | 5- | 6+ | 7 | 7 | View archive |
| 6 | 2023/02/27 | 91 | 5 | 6 | 7- | 7- | 6+ | 7- | 6+ | 6 | 7- | View archive |
| 7 | 2023/09/19 | 47 | 5+ | 6+ | 5- | 3+ | 6 | 5+ | 4- | 3- | 6+ | View archive |
| 8 | 2023/08/05 | 33 | 5 | 6+ | 5+ | 5- | 3+ | 2- | 1- | 1- | 6+ | View archive |
| 9 | 2023/06/16 | 32 | 5- | 6 | 4 | 5- | 4 | 3 | 3- | 3 | 6 | View archive |
| 10 | 2023/05/06 | 29 | 4+ | 6 | 3+ | 5- | 4+ | 3- | 3 | 2 | 6 | View archive |
| 11 | 2023/11/06 | 36 | 4 | 6- | 5- | 4+ | 3- | 4- | 5+ | 4+ | 6- | View archive |
| 12 | 2023/05/20 | 32 | 6- | 5 | 5- | 5- | 3- | 3+ | 3 | 3+ | 6- | View archive |
| 13 | 2023/03/15 | 30 | 4- | 6- | 4 | 4 | 3 | 2 | 2 | 6- | 6- | View archive |
| 14 | 2023/05/21 | 26 | 3- | 2 | 1+ | 1+ | 3 | 4 | 6- | 6- | 6- | View archive |
| 15 | 2023/02/28 | 26 | 6- | 5- | 3 | 3 | 2- | 1+ | 4 | 4+ | 6- | View archive |
| 16 | 2023/02/26 | 24 | 3+ | 2+ | 3 | 3+ | 3 | 2- | 5 | 6- | 6- | View archive |
| 17 | 2023/09/24 | 21 | 2 | 1+ | 2 | 2- | 1 | 1 | 6- | 6- | 6- | View archive |
| 18 | 2023/09/02 | 37 | 3+ | 4+ | 5- | 5- | 5 | 4+ | 4+ | 5+ | 5+ | View archive |
| 19 | 2023/02/15 | 27 | 3- | 4- | 5+ | 4+ | 3+ | 4 | 3+ | 4+ | 5+ | View archive |
| 20 | 2023/06/15 | 26 | 1+ | 1+ | 1+ | 2 | 4+ | 5 | 5 | 5+ | 5+ | View archive |
| 21 | 2023/05/10 | 24 | 4- | 5+ | 3- | 4 | 5- | 3+ | 2 | 3- | 5+ | View archive |
| 22 | 2023/09/25 | 23 | 5+ | 5- | 4 | 3+ | 3+ | 3- | 2+ | 2 | 5+ | View archive |
| 23 | 2023/09/12 | 23 | 1- | 0+ | 1- | 3 | 5+ | 5+ | 4- | 4 | 5+ | View archive |
| 24 | 2023/09/03 | 23 | 5+ | 4- | 4+ | 3+ | 3+ | 3 | 1+ | 3 | 5+ | View archive |
| 25 | 2023/05/12 | 18 | 2+ | 3 | 3 | 2+ | 5+ | 3+ | 3- | 2+ | 5+ | View archive |
| 26 | 2023/09/18 | 30 | 4+ | 4 | 3 | 2 | 5- | 5 | 5 | 4 | 5 | View archive |
| 27 | 2023/09/26 | 28 | 3 | 4 | 5- | 5- | 5 | 3+ | 3+ | 3+ | 5 | View archive |
| 28 | 2023/01/15 | 28 | 5- | 4- | 4- | 4- | 4- | 4- | 4 | 5 | 5 | View archive |
| 29 | 2023/02/16 | 23 | 3 | 3- | 5 | 4+ | 4+ | 4+ | 1+ | 1+ | 5 | View archive |
| 30 | 2023/10/21 | 21 | 4 | 5- | 5 | 3 | 3- | 3+ | 1+ | 1- | 5 | View archive |
| 31 | 2023/11/07 | 18 | 5 | 4- | 2+ | 2+ | 3- | 3 | 3 | 3 | 5 | View archive |
| 32 | 2023/03/30 | 18 | 3 | 2+ | 2+ | 3 | 3- | 4- | 5 | 3- | 5 | View archive |
| 33 | 2023/06/25 | 16 | 5 | 2+ | 2- | 1 | 2+ | 3+ | 3+ | 3- | 5 | View archive |
| 34 | 2023/10/05 | 15 | 4 | 5 | 2 | 3 | 2 | 1- | 1- | 2 | 5 | View archive |
| 35 | 2023/11/13 | 14 | 5 | 4- | 1 | 2- | 3 | 3- | 2- | 1- | 5 | View archive |
| 36 | 2023/10/29 | 26 | 5- | 4- | 4+ | 4 | 4 | 4 | 3+ | 3+ | 5- | View archive |
| 37 | 2023/10/26 | 21 | 2+ | 3- | 2 | 4 | 4 | 3 | 4+ | 5- | 5- | View archive |
| 38 | 2023/07/17 | 21 | 3- | 2- | 4 | 4 | 3 | 2 | 5- | 4+ | 5- | View archive |
| 39 | 2023/07/14 | 20 | 3 | 3+ | 3+ | 2- | 3- | 4+ | 5- | 4- | 5- | View archive |
| 40 | 2023/05/22 | 20 | 5- | 3+ | 3- | 3- | 2+ | 3+ | 4 | 4 | 5- | View archive |
| 41 | 2023/07/26 | 19 | 3+ | 5- | 4 | 3+ | 3 | 3 | 3- | 2+ | 5- | View archive |
| 42 | 2023/01/04 | 19 | 4 | 5- | 4+ | 3+ | 3+ | 2 | 2- | 1- | 5- | View archive |
| 43 | 2023/09/13 | 16 | 5- | 4- | 2+ | 2+ | 3- | 3 | 2- | 3 | 5- | View archive |
| 44 | 2023/04/18 | 13 | 0+ | 1 | 0+ | 0+ | 4- | 5- | 4- | 3- | 5- | View archive |
| 45 | 2023/11/04 | 12 | 1- | 0+ | 1 | 1- | 2- | 3- | 5- | 4 | 5- | View archive |
| 46 | 2023/04/27 | 21 | 4+ | 4 | 3+ | 4- | 3+ | 4- | 3- | 3 | 4+ | View archive |
| 47 | 2023/03/05 | 21 | 3+ | 3+ | 4- | 3- | 4 | 3+ | 4+ | 4- | 4+ | View archive |
| 48 | 2023/02/23 | 20 | 4+ | 4- | 3 | 3- | 3- | 4 | 3+ | 4- | 4+ | View archive |
| 49 | 2023/03/31 | 19 | 4 | 4+ | 3+ | 3+ | 2+ | 2+ | 3 | 4 | 4+ | View archive |
| 50 | 2023/03/14 | 18 | 3- | 4- | 3+ | 3+ | 3+ | 3 | 3- | 4+ | 4+ | View archive |
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Latest forum messages
Impact from Nov 28 CME 98AR 3500 109Incoming Regions 1156Southern field close to flipping? 259geomagnetic activity 726
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Space weather facts
| Last X-flare | 2023/08/07 | X1.51 |
| Last M-flare | 2023/12/01 | M1.0 |
| Last geomagnetic storm | 2023/11/25 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2023 | 99.4 -34.2 |