Solar flares on April 12, 2025
The most powerful solar flare in 24 hours
M2.7 (strong) flare - April 12 at 11:43 AM
Solar activity index
Value as of the end of the day on April 12, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 11, 2025 to April 12, 2025
Time zone — UTC+00
List of solar flares for April 12, 2025
The total number of solar flares of class C and higher — 22 flares
C class — 15 | M class — 7 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.1 | 20:44 | 20:54 | 21:17 | 4055 |
| C5.5 | 19:41 | 19:44 | 19:47 | 4055 |
| M1.3 | 15:00 | 15:12 | 15:19 | 4055 |
| C4.6 | 14:25 | 14:34 | 14:41 | 4054 |
| M2.3 | 12:33 | 12:40 | 12:52 | 4055 |
| M2.7 | 11:35 | 11:43 | 11:45 | 4055 |
| M2.0 | 11:05 | 11:17 | 11:25 | 4055 |
| C9.2 | 10:21 | 10:26 | 10:34 | 4055 |
| C5.8 | 10:10 | 10:19 | 10:21 | 4055 |
| C4.8 | 09:52 | 10:02 | 10:10 | 4055 |
| C7.6 | 07:57 | 08:02 | 08:09 | 4055 |
| C8.4 | 07:34 | 07:47 | 07:57 | 4055 |
| M1.0 | 07:11 | 07:19 | 07:22 | 4055 |
| M1.2 | 05:36 | 05:49 | 05:55 | 4055 |
| C9.5 | 04:55 | 05:00 | 05:02 | 4055 |
| M1.1 | 04:41 | 04:45 | 04:55 | 4055 |
| C8.2 | 03:33 | 03:39 | 03:42 | — |
| C3.7 | 03:14 | 03:23 | 03:26 | — |
| C3.8 | 02:58 | 03:06 | 03:14 | — |
| C4.0 | 02:21 | 02:30 | 02:37 | — |
| C4.0 | 01:31 | 01:38 | 01:40 | — |
| C5.6 | 00:36 | 00:44 | 00:55 | 4060 |