Solar flares on July 13, 2025
The most powerful solar flare in 24 hours
C9.0 (normal) flare - July 13 at 7:02 AM
Solar activity index
Value as of the end of the day on July 13, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 12, 2025 to July 13, 2025
Time zone — UTC+03 (Tver)
List of solar flares for July 13, 2025
The total number of solar flares of class C and higher — 15 flares
C class — 15 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 21:00 | 21:09 | 21:11 | 4140 |
| C1.0 | 19:40 | 19:48 | 19:54 | — |
| C1.7 | 14:24 | 14:34 | 14:48 | 4140 |
| C1.2 | 13:15 | 13:20 | 13:24 | 4140 |
| C1.7 | 09:57 | 10:04 | 10:07 | 4140 |
| C2.4 | 09:43 | 09:47 | 09:51 | 4140 |
| C1.5 | 09:34 | 09:37 | 09:43 | 4140 |
| C3.1 | 08:47 | 08:55 | 09:00 | 4140 |
| C1.6 | 08:20 | 08:28 | 08:37 | 4140 |
| C9.0 | 06:46 | 07:02 | 07:08 | 4140 |
| C1.5 | 05:22 | 05:30 | 05:33 | 4140 |
| C1.5 | 04:52 | 05:12 | 05:22 | 4140 |
| C1.2 | 03:45 | 03:50 | 03:56 | 4140 |
| C5.5 | 00:46 | 01:02 | 01:10 | 4140 |
| C1.5 | 00:04 | 00:08 | 00:12 | 4140 |