Solar flares on December 7, 2025
The most powerful solar flare in 24 hours
C7.5 (normal) flare - December 7 at 1:04 PM
Solar activity index
Value as of the end of the day on December 7, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 6, 2025 to December 7, 2025
Time zone — UTC+01 (Madrid)
List of solar flares for December 7, 2025
The total number of solar flares of class C and higher — 18 flares
C class — 18 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.7 | 23:40 | 23:48 | 23:52 | 4298 |
| C3.1 | 23:32 | 23:36 | 23:39 | 4294 |
| C5.4 | 22:18 | 22:22 | 22:24 | 4294 |
| C6.3 | 21:41 | 21:46 | 21:48 | 4298 |
| C3.7 | 20:02 | 20:12 | 20:17 | 4294 |
| C2.6 | 19:02 | 19:09 | 19:16 | 4294 |
| C4.9 | 18:22 | 18:31 | 18:35 | 4294 |
| C2.3 | 18:00 | 18:04 | 18:06 | — |
| C3.4 | 14:19 | 14:25 | 14:27 | — |
| C7.5 | 12:51 | 13:04 | 13:08 | 4294 |
| C2.7 | 11:11 | 11:15 | 11:18 | 4294 |
| C2.8 | 10:31 | 10:38 | 10:45 | 4296 |
| C2.5 | 10:11 | 10:16 | 10:18 | 4294 |
| C3.4 | 09:06 | 09:11 | 09:13 | 4296 |
| C4.4 | 08:40 | 08:44 | 08:46 | 4294 |
| C2.7 | 08:12 | 08:17 | 08:25 | 4294 |
| C2.5 | 04:20 | 04:31 | 04:40 | 4296 |
| C2.2 | 01:47 | 01:54 | 02:06 | 4296 |