Solar flares on October 13, 2025
The most powerful solar flare in 24 hours
M2.7 (strong) flare - October 13 at 12:19 PM
Solar activity index
Value as of the end of the day on October 13, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 12, 2025 to October 13, 2025
Time zone — UTC+03 (Arkhangelsk)
List of solar flares for October 13, 2025
The total number of solar flares of class C and higher — 24 flares
C class — 21 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 23:48 | 23:55 | 00:14 | 4246 |
| C8.0 | 22:01 | 22:08 | 22:13 | 4246 |
| C6.1 | 21:48 | 21:59 | 22:01 | 4246 |
| C3.0 | 21:04 | 21:14 | 21:26 | 4246 |
| C2.1 | 20:12 | 20:17 | 20:20 | 4246 |
| C7.2 | 19:39 | 19:53 | 19:59 | 4246 |
| C3.3 | 18:58 | 19:02 | 19:05 | 4246 |
| C2.6 | 18:36 | 18:43 | 18:56 | 4246 |
| M1.2 | 16:04 | 16:18 | 16:39 | 4246 |
| C3.5 | 15:53 | 16:02 | 16:04 | 4246 |
| C9.5 | 13:32 | 13:47 | 13:55 | 4248 |
| M2.7 | 11:55 | 12:19 | 12:31 | 4246 |
| C9.8 | 10:39 | 10:47 | 10:57 | 4246 |
| C5.7 | 10:21 | 10:30 | 10:36 | 4248 |
| C7.6 | 09:49 | 09:54 | 10:00 | 4246 |
| C4.1 | 09:42 | 09:46 | 09:49 | 4246 |
| M1.9 | 07:59 | 08:26 | 08:45 | 4246 |
| C5.8 | 07:04 | 07:13 | 07:19 | 4248 |
| C2.3 | 06:53 | 07:02 | 07:04 | 4248 |
| C9.3 | 03:17 | 03:36 | 03:51 | 4246 |
| C6.4 | 03:02 | 03:13 | 03:17 | 4248 |
| C3.5 | 02:23 | 02:31 | 02:40 | 4246 |
| C4.4 | 00:18 | 00:37 | 00:51 | 4246 |
| C2.4 | 23:50 | 00:02 | 00:10 | 4246 |