Top 50 solar flares of the year 2011
On this page you will find an overview of the strongest solar flares of the year 2011 together with links to more information in our archive and a video (if available) of the event.
| Region | Start | Maximum | End | ||||
|---|---|---|---|---|---|---|---|
| 1 | X9.96 | 2011/08/09 | 1263 | 07:48 | 08:05 | 08:08 | |
| 2 | X3.3 | 2011/02/15 | 1158 | 01:44 | 01:56 | 02:06 | |
| 3 | X3.03 | 2011/09/06 | 1283 | 22:12 | 22:20 | 22:24 | |
| 4 | X2.85 | 2011/11/03 | 1339 | 20:16 | 20:27 | 20:32 | |
| 5 | X2.74 | 2011/09/24 | 1302 | 09:21 | 09:40 | 09:48 | |
| 6 | X2.6 | 2011/09/07 | 1283 | 22:32 | 22:38 | 22:44 | |
| 7 | X2.14 | 2011/09/22 | 1302 | 10:29 | 11:01 | 11:44 | |
| 8 | X2.14 | 2011/03/09 | 1166 | 23:13 | 23:23 | 23:29 | |
| 9 | X1.34 | 2011/08/04 | 1261 | 03:41 | 03:57 | 04:04 | |
| 10 | X1.34 | 2011/07/30 | 1261 | 02:04 | 02:09 | 02:12 | |
| 11 | X1.07 | 2011/09/25 | 1302 | 04:31 | 04:50 | 05:05 | |
| 12 | X1.02 | 2011/09/24 | 1302 | 12:33 | 13:20 | 14:10 | |
| 13 | M9.61 | 2011/09/08 | 1283 | 15:32 | 15:46 | 15:52 | |
| 14 | M9.61 | 2011/02/18 | 1158 | 09:55 | 10:11 | 10:15 | |
| 15 | M9.49 | 2011/02/13 | 1158 | 17:28 | 17:38 | 17:47 | |
| 16 | M8.71 | 2011/08/03 | 1261 | 13:17 | 13:48 | 14:10 | |
| 17 | M8.37 | 2011/09/24 | 1302 | 20:29 | 20:36 | 20:42 | |
| 18 | M7.71 | 2011/09/06 | 1283 | 01:35 | 01:50 | 02:05 | |
| 19 | M7.57 | 2011/03/08 | 1165 | 10:35 | 10:44 | 10:55 | |
| 20 | M6.43 | 2011/09/25 | 1302 | 02:27 | 02:33 | 02:37 | |
| 21 | M6.29 | 2011/03/08 | 1165 | 18:08 | 18:28 | 18:41 | |
| 22 | M6.21 | 2011/11/02 | 1339 | 21:52 | 22:01 | 22:19 | |
| 23 | M6 | 2011/03/14 | 1169 | 19:30 | 19:52 | 19:54 | |
| 24 | M5.85 | 2011/09/26 | 1302 | 05:06 | 05:08 | 05:13 | |
| 25 | M5.77 | 2011/12/25 | 1387 | 18:11 | 18:16 | 18:20 | |
| 26 | M5.64 | 2011/10/02 | 1305 | 00:37 | 00:50 | 00:59 | |
| 27 | M5.44 | 2011/11/05 | 1339 | 03:08 | 03:35 | 03:58 | |
| 28 | M5.39 | 2011/09/25 | 1302 | 15:26 | 15:33 | 15:38 | |
| 29 | M5.29 | 2011/03/07 | 1164 | 19:43 | 20:12 | 20:58 | |
| 30 | M5.05 | 2011/08/08 | 1263 | 18:00 | 18:10 | 18:18 | |
| 31 | M5.04 | 2011/02/24 | 1163 | 07:23 | 07:35 | 07:42 | |
| 32 | M4.65 | 2011/09/04 | 1286 | 11:21 | 11:45 | 11:50 | |
| 33 | M4.56 | 2011/09/24 | 1302 | 17:19 | 17:25 | 17:31 | |
| 34 | M4.54 | 2011/09/25 | 1302 | 08:46 | 08:49 | 08:52 | |
| 35 | M4.43 | 2011/09/24 | 1302 | 19:09 | 19:21 | 19:41 | |
| 36 | M4.09 | 2011/09/24 | 1302 | 17:59 | 18:15 | 18:24 | |
| 37 | M3.86 | 2011/09/09 | 1283 | 06:01 | 06:11 | 06:17 | |
| 38 | M3.77 | 2011/09/26 | 1302 | 14:37 | 14:46 | 15:02 | |
| 39 | M3.72 | 2011/11/03 | 1339 | 10:58 | 11:11 | 11:20 | |
| 40 | M3.67 | 2011/08/09 | 1263 | 03:19 | 03:54 | 04:08 | |
| 41 | M3.65 | 2011/06/07 | 1226 | 06:16 | 06:41 | 06:59 | |
| 42 | M3.51 | 2011/12/31 | 1389 | 13:09 | 13:15 | 13:19 | |
| 43 | M3.43 | 2011/12/26 | 1387 | 20:12 | 20:30 | 20:36 | |
| 44 | M3.27 | 2011/02/14 | 1158 | 17:20 | 17:26 | 17:32 | |
| 45 | M3.19 | 2011/09/25 | 1302 | 16:51 | 16:58 | 17:09 | |
| 46 | M3.11 | 2011/11/03 | 1339 | 23:28 | 23:36 | 23:44 | |
| 47 | M3 | 2011/12/29 | 1389 | 21:43 | 21:51 | 21:59 | |
| 48 | M2.85 | 2011/09/23 | 1302 | 23:48 | 23:56 | 00:04 | |
| 49 | M2.81 | 2011/11/15 | 1346 | 12:30 | 12:43 | 12:50 | |
| 50 | M2.78 | 2011/12/29 | 1389 | 13:40 | 13:50 | 14:01 |
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| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
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