Solar flares on August 13, 2025
The most powerful solar flare in 24 hours
C8.3 (normal) flare - August 13 at 12:13 AM
Solar activity index
Value as of the end of the day on August 13, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 12, 2025 to August 13, 2025
Time zone — UTC+05:30 (Bilaspur)
List of solar flares for August 13, 2025
The total number of solar flares of class C and higher — 14 flares
C class — 14 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.2 | 23:41 | 23:49 | 23:55 | 4172 |
| C1.8 | 23:25 | 23:31 | 23:34 | 4172 |
| C1.5 | 21:28 | 21:31 | 21:34 | — |
| C1.7 | 21:08 | 21:12 | 21:28 | — |
| C2.6 | 20:16 | 20:26 | 20:29 | 4172 |
| C1.8 | 19:58 | 20:05 | 20:16 | — |
| C1.8 | 16:00 | 16:09 | 16:13 | 4180 |
| C1.7 | 15:47 | 15:51 | 16:00 | 4172 |
| C2.1 | 09:56 | 10:05 | 10:09 | 4178 |
| C2.3 | 08:53 | 09:00 | 09:02 | 4178 |
| C2.9 | 06:59 | 07:12 | 07:14 | 4178 |
| C2.4 | 04:19 | 04:23 | 04:26 | — |
| C2.1 | 03:02 | 03:05 | 03:07 | 4178 |
| C8.3 | 23:39 | 00:13 | 00:39 | 4172 |