Solar flares on December 7, 2025
The most powerful solar flare in 24 hours
X1.1 (very strong) flare - December 7 at 11:01 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-06 (Montgomery)
List of solar flares for December 7, 2025
The total number of solar flares of class C and higher — 24 flares
C class — 21 | M class — 2 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.5 | 23:20 | 23:26 | 23:30 | 4304 |
| X1.1 | 22:49 | 23:01 | 23:04 | 4298 |
| C6.2 | 22:17 | 22:27 | 22:32 | 4296 |
| C4.1 | 21:40 | 21:46 | 21:51 | 4294 |
| C3.6 | 20:47 | 20:57 | 21:05 | 4296 |
| C2.7 | 19:40 | 19:44 | 19:48 | 4294 |
| M2.0 | 18:33 | 18:36 | 18:39 | 4294 |
| M2.4 | 17:56 | 18:12 | 18:23 | 4299 |
| C6.7 | 16:40 | 16:48 | 16:52 | 4298 |
| C3.1 | 16:32 | 16:36 | 16:39 | 4294 |
| C5.4 | 15:18 | 15:22 | 15:24 | 4294 |
| C6.3 | 14:41 | 14:46 | 14:48 | 4298 |
| C3.7 | 13:02 | 13:12 | 13:17 | 4294 |
| C2.6 | 12:02 | 12:09 | 12:16 | 4294 |
| C4.9 | 11:22 | 11:31 | 11:35 | 4294 |
| C2.3 | 11:00 | 11:04 | 11:06 | — |
| C3.4 | 07:19 | 07:25 | 07:27 | — |
| C7.5 | 05:51 | 06:04 | 06:08 | 4294 |
| C2.7 | 04:11 | 04:15 | 04:18 | 4294 |
| C2.8 | 03:31 | 03:38 | 03:45 | 4296 |
| C2.5 | 03:11 | 03:16 | 03:18 | 4294 |
| C3.4 | 02:06 | 02:11 | 02:13 | 4296 |
| C4.4 | 01:40 | 01:44 | 01:46 | 4294 |
| C2.7 | 01:12 | 01:17 | 01:25 | 4294 |