Top 50 solar flares of the year 2025
On this page you will find an overview of the strongest solar flares of the year 2025 together with links to more information in our archive and a video (if available) of the event.
| Region | Start | Maximum | End | ||||
|---|---|---|---|---|---|---|---|
| 1 | X1.85 | 2025/01/04 | 3947 | 12:34 | 12:48 | 12:56 | |
| 2 | X1.2 | 2025/01/03 | 3947 | 11:29 | 11:39 | 11:49 | |
| 3 | X1.1 | 2025/01/03 | 3947 | 22:32 | 22:41 | 22:51 | |
| 4 | M7.64 | 2025/01/04 | 3947 | 04:58 | 05:18 | 05:27 | |
| 5 | M7.4 | 2025/01/17 | 3964 | 13:24 | 13:35 | 13:39 | |
| 6 | M5.8 | 2025/01/03 | 3947 | 23:50 | 23:56 | 00:05 | |
| 7 | M4.87 | 2025/01/06 | 3947 | 16:12 | 16:24 | 16:30 | |
| 8 | M4.1 | 2025/01/05 | 3947 | 02:14 | 02:39 | 02:56 | |
| 9 | M4.1 | 2025/01/05 | 3947 | 09:08 | 09:36 | 09:51 | |
| 10 | M3.1 | 2025/01/06 | 3947 | 01:29 | 01:52 | 02:08 | |
| 11 | M2.5 | 2025/01/05 | 3947 | 15:19 | 15:37 | 15:43 | |
| 12 | M2.4 | 2025/01/19 | 3964 | 03:28 | 03:32 | 03:36 | |
| 13 | M2.3 | 2025/01/03 | 3947 | 21:54 | 22:12 | 22:27 | |
| 14 | M2.15 | 2025/01/04 | 3947 | 23:08 | 23:26 | 23:36 | |
| 15 | M2.1 | 2025/01/05 | 3947 | 07:04 | 07:18 | 07:41 | |
| 16 | M2.1 | 2025/01/17 | 3964 | 18:42 | 18:50 | 19:04 | |
| 17 | M2 | 2025/01/17 | 3964 | 09:10 | 09:19 | 09:23 | |
| 18 | M1.9 | 2025/01/03 | 3947 | 23:14 | 23:24 | 23:33 | |
| 19 | M1.8 | 2025/01/17 | 3964 | 19:44 | 19:49 | 19:55 | |
| 20 | M1.7 | 2025/01/18 | 3964 | 00:44 | 00:58 | 01:03 | |
| 21 | M1.59 | 2025/01/04 | 3947 | 00:34 | 00:36 | 00:41 | |
| 22 | M1.5 | 2025/01/17 | 3964 | 11:19 | 11:37 | 11:49 | |
| 23 | M1.4 | 2025/01/06 | 3947 | 03:35 | 03:50 | 03:54 | |
| 24 | M1.3 | 2025/01/17 | 3964 | 02:01 | 02:11 | 02:17 | |
| 25 | M1.2 | 2025/01/01 | 3936 | 18:05 | 18:17 | 18:28 | |
| 26 | M1.11 | 2025/01/17 | 3964 | 19:59 | 20:01 | 20:02 | |
| 27 | M1.1 | 2025/01/18 | 3964 | 03:00 | 03:07 | 03:15 | |
| 28 | M1.1 | 2025/01/01 | 3936 | 04:35 | 04:45 | 05:02 | |
| 29 | M1.1 | 2025/01/01 | 3936 | 21:32 | 21:41 | 21:46 | |
| 30 | M1.1 | 2025/01/02 | 3939 | 17:18 | 17:40 | 17:59 | |
| 31 | M1.1 | 2025/01/07 | 3939 | 22:35 | 23:05 | 23:42 | |
| 32 | M1.1 | 2025/01/09 | 3947 | 00:18 | 00:26 | 00:33 | |
| 33 | M1.1 | 2025/01/17 | 3961 | 03:08 | 03:20 | 03:34 | |
| 34 | M1 | 2025/01/01 | 3936 | 15:12 | 15:24 | 15:43 | |
| 35 | M1 | 2025/01/17 | 3964 | 22:00 | 22:05 | 22:14 | |
| 36 | C9.8 | 2025/01/08 | 3950 | 06:29 | 06:37 | 06:41 | |
| 37 | C9.7 | 2025/01/03 | 3947 | 20:18 | 20:39 | 21:12 | |
| 38 | C9.3 | 2025/01/04 | 3939 | 14:11 | 15:09 | 16:34 | |
| 39 | C9.1 | 2025/01/04 | 3947 | 08:30 | 08:52 | 09:06 | |
| 40 | C9 | 2025/01/06 | 3947 | 16:58 | 17:14 | 17:31 | |
| 41 | C9 | 2025/01/10 | 3947 | 22:29 | 22:46 | 22:53 | |
| 42 | C9 | 2025/01/17 | 3964 | 16:14 | 16:22 | 16:27 | |
| 43 | C8.8 | 2025/01/18 | 3961 | 02:22 | 02:31 | 02:41 | |
| 44 | C8.4 | 2025/01/18 | 3964 | 08:33 | 08:36 | 08:42 | |
| 45 | C8.4 | 2025/01/18 | 3961 | 02:41 | 02:52 | 02:56 | |
| 46 | C8.1 | 2025/01/19 | 3959 | 16:58 | 17:08 | 17:12 | |
| 47 | C8.1 | 2025/01/01 | 3936 | 03:40 | 03:51 | 04:03 | |
| 48 | C8.1 | 2025/01/13 | 3947 | 02:05 | 02:15 | 02:48 | |
| 49 | C7.9 | 2025/01/01 | 3936 | 19:37 | 19:48 | 19:58 | |
| 50 | C7.9 | 2025/01/17 | 3964 | 02:48 | 02:55 | 03:02 |
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/19 | M2.4 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 132.7 -21.8 |
| Last 30 days | 156.6 +39.4 |