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 | X5.1 | 2025/11/11 | 4274 | 09:49 | 10:04 | 10:17 | |
| 2 | X4 | 2025/11/14 | 4274 | 07:44 | 08:30 | 08:40 | |
| 3 | X2.7 | 2025/05/14 | 4087 | 08:04 | 08:19 | 08:31 | |
| 4 | X2 | 2025/02/23 | 4001 | 19:22 | 19:27 | 19:34 | |
| 5 | X1.9 | 2025/12/01 | 4299 | 02:27 | 02:49 | 03:05 | |
| 6 | X1.9 | 2025/06/19 | 4114 | 23:37 | 23:50 | 23:54 | |
| 7 | X1.85 | 2025/01/04 | 3947 | 12:34 | 12:48 | 12:56 | |
| 8 | X1.8 | 2025/11/04 | 4274 | 17:15 | 17:34 | 17:51 | |
| 9 | X1.7 | 2025/11/09 | 4274 | 07:01 | 07:35 | 07:55 | |
| 10 | X1.27 | 2025/06/17 | 4114 | 21:38 | 21:49 | 21:54 | |
| 11 | X1.21 | 2025/05/13 | 4086 | 15:25 | 15:38 | 15:44 | |
| 12 | X1.2 | 2025/11/10 | 4274 | 08:55 | 09:19 | 10:19 | |
| 13 | X1.2 | 2025/01/03 | 3947 | 11:29 | 11:39 | 11:49 | |
| 14 | X1.1 | 2025/11/04 | 4276 | 21:45 | 22:01 | 22:11 | |
| 15 | X1.1 | 2025/05/25 | 4098 | 01:40 | 01:52 | 01:57 | |
| 16 | X1.1 | 2025/03/28 | 15:03 | 15:21 | 15:42 | ||
| 17 | X1.1 | 2025/03/28 | 14:57 | 15:20 | 15:43 | ||
| 18 | X1.1 | 2025/01/03 | 3947 | 22:32 | 22:41 | 22:51 | |
| 19 | M8.9 | 2025/05/25 | 4098 | 16:18 | 16:31 | 16:36 | |
| 20 | M8.88 | 2025/02/03 | 3981 | 03:52 | 03:58 | 04:04 | |
| 21 | M8.6 | 2025/11/05 | 4274 | 21:52 | 22:07 | 22:16 | |
| 22 | M8.4 | 2025/06/15 | 4114 | 17:45 | 18:07 | 18:25 | |
| 23 | M8.2 | 2025/05/31 | 4100 | 23:31 | 00:05 | 01:32 | |
| 24 | M7.74 | 2025/05/14 | 4087 | 11:04 | 11:19 | 11:32 | |
| 25 | M7.64 | 2025/01/04 | 3947 | 04:58 | 05:18 | 05:27 | |
| 26 | M7.6 | 2025/02/07 | 3981 | 08:59 | 09:21 | 09:36 | |
| 27 | M7.6 | 2025/02/06 | 3981 | 10:47 | 11:04 | 11:16 | |
| 28 | M7.45 | 2025/11/05 | 4274 | 10:36 | 11:19 | 11:43 | |
| 29 | M7.4 | 2025/01/17 | 3964 | 13:24 | 13:35 | 13:39 | |
| 30 | M6.8 | 2025/06/14 | 4105 | 22:51 | 23:01 | 23:09 | |
| 31 | M6.76 | 2025/01/31 | 3978 | 13:40 | 14:06 | 14:25 | |
| 32 | M6.4 | 2025/09/28 | 4232 | 08:34 | 08:43 | 08:49 | |
| 33 | M6.4 | 2025/06/16 | 4114 | 09:17 | 09:38 | 09:48 | |
| 34 | M6.1 | 2025/02/03 | 3981 | 13:07 | 13:18 | 13:23 | |
| 35 | M6 | 2025/12/04 | 4300 | 02:36 | 02:50 | 02:59 | |
| 36 | M5.96 | 2025/11/28 | 4294 | 22:11 | 22:22 | 22:24 | |
| 37 | M5.8 | 2025/01/03 | 3947 | 23:50 | 23:56 | 00:05 | |
| 38 | M5.6 | 2025/04/01 | 4046 | 06:37 | 06:46 | 06:53 | |
| 39 | M5.32 | 2025/05/14 | 4087 | 03:05 | 03:25 | 03:35 | |
| 40 | M5.1 | 2025/02/02 | 3977 | 13:58 | 14:04 | 14:08 | |
| 41 | M5 | 2025/11/03 | 4274 | 09:38 | 10:11 | 10:37 | |
| 42 | M4.9 | 2025/02/23 | 4001 | 02:00 | 02:13 | 02:23 | |
| 43 | M4.87 | 2025/01/06 | 3947 | 16:12 | 16:24 | 16:30 | |
| 44 | M4.8 | 2025/10/15 | 4246 | 03:49 | 04:15 | 04:36 | |
| 45 | M4.71 | 2025/05/14 | 4087 | 17:59 | 18:11 | 18:18 | |
| 46 | M4.7 | 2025/02/04 | 3981 | 11:09 | 11:21 | 11:26 | |
| 47 | M4.62 | 2025/05/31 | 4100 | 08:08 | 08:18 | 08:23 | |
| 48 | M4.61 | 2025/06/20 | 4114 | 00:02 | 00:04 | 00:06 | |
| 49 | M4.56 | 2025/08/25 | 4199 | 05:01 | 05:24 | 05:40 | |
| 50 | M4.5 | 2025/08/26 | 4197 | 05:09 | 05:25 | 05:40 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |