Solar flares on April 13, 2025
The most powerful solar flare in 24 hours
M3.2 (strong) flare - April 13 at 1:51 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-05 (Austin) — summer time
List of solar flares for April 13, 2025
The total number of solar flares of class C and higher — 14 flares
C class — 8 | M class — 6 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.0 | 23:38 | 23:49 | 23:56 | 4055 |
| C6.4 | 19:14 | 19:20 | 19:30 | 4055 |
| M1.6 | 16:55 | 17:02 | 17:11 | 4055 |
| C4.8 | 16:42 | 16:49 | 16:54 | 4055 |
| C4.8 | 15:37 | 15:42 | 15:51 | 4055 |
| M3.2 | 13:38 | 13:51 | 14:00 | 4055 |
| C6.8 | 13:31 | 13:35 | 13:38 | 4055 |
| M1.2 | 10:28 | 10:42 | 10:56 | 4055 |
| C6.3 | 09:58 | 10:23 | 10:28 | 4060 |
| C8.5 | 08:49 | 09:01 | 09:14 | 4055 |
| M1.2 | 05:03 | 05:07 | 05:10 | 4055 |
| M1.4 | 04:43 | 04:55 | 05:03 | 4055 |
| C7.6 | 03:09 | 03:16 | 03:36 | 4055 |
| M1.0 | 01:38 | 01:52 | 02:21 | 4055 |