Solar flares on December 2, 2025
The most powerful solar flare in 24 hours
C5.4 (normal) flare - December 2 at 3:38 PM
Solar activity index
Value as of the end of the day on December 2, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 1, 2025 to December 2, 2025
Time zone — UTC-05 (Barrie)
List of solar flares for December 2, 2025
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 22:47 | 22:55 | 23:00 | 4299 |
| C2.7 | 21:16 | 21:23 | 21:26 | 4297 |
| C5.4 | 15:32 | 15:38 | 15:43 | 4288 |
| C4.0 | 12:35 | 12:44 | 12:48 | 4298 |
| C2.0 | 10:57 | 11:02 | 11:07 | 4288 |
| C3.5 | 09:06 | 09:09 | 09:13 | 4298 |
| C2.7 | 07:28 | 07:31 | 07:33 | 4288 |
| C2.6 | 07:12 | 07:21 | 07:28 | 4288 |
| C2.9 | 05:37 | 05:40 | 05:44 | 4294 |
| C3.9 | 00:29 | 00:35 | 00:39 | 4296 |
| C3.9 | 00:14 | 00:22 | 00:29 | 4296 |