Solar flares on April 13, 2025
The most powerful solar flare in 24 hours
M3.2 (strong) flare - April 13 at 6:51 PM
Solar activity index
Value as of the end of the day on April 13, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 12, 2025 to April 13, 2025
Time zone — UTC+00
List of solar flares for April 13, 2025
The total number of solar flares of class C and higher — 18 flares
C class — 8 | M class — 10 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.6 | 21:55 | 22:02 | 22:11 | 4055 |
| C4.8 | 21:42 | 21:49 | 21:54 | 4055 |
| C4.8 | 20:37 | 20:42 | 20:51 | 4055 |
| M3.2 | 18:38 | 18:51 | 19:00 | 4055 |
| C6.8 | 18:31 | 18:35 | 18:38 | 4055 |
| M1.2 | 15:28 | 15:42 | 15:56 | 4055 |
| C6.3 | 14:58 | 15:23 | 15:28 | 4060 |
| C8.5 | 13:49 | 14:01 | 14:14 | 4055 |
| M1.2 | 10:03 | 10:07 | 10:10 | 4055 |
| M1.4 | 09:43 | 09:55 | 10:03 | 4055 |
| C7.6 | 08:09 | 08:16 | 08:36 | 4055 |
| M1.0 | 06:38 | 06:52 | 07:21 | 4055 |
| M2.3 | 04:48 | 04:52 | 04:54 | 4055 |
| M1.1 | 04:25 | 04:28 | 04:31 | 4055 |
| M1.1 | 04:01 | 04:05 | 04:25 | 4055 |
| C6.5 | 03:27 | 03:33 | 03:37 | 4055 |
| C6.5 | 02:35 | 02:41 | 02:48 | 4054 |
| M1.0 | 01:21 | 01:29 | 01:37 | 4055 |