Solar flares on December 29, 2025
The most powerful solar flare in 24 hours
C6.4 (normal) flare - December 29 at 1:40 PM
Solar activity index
Value as of the end of the day on December 29, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 28, 2025 to December 29, 2025
Time zone — UTC-07 (Red deer)
List of solar flares for December 29, 2025
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.7 | 15:26 | 15:30 | 15:37 | 4321 |
| C3.3 | 15:14 | 15:22 | 15:26 | 4324 |
| C6.4 | 13:36 | 13:40 | 13:43 | 4317 |
| C3.3 | 11:16 | 11:27 | 11:32 | 4324 |
| C3.5 | 11:03 | 11:11 | 11:16 | 4324 |
| C3.3 | 09:30 | 09:35 | 09:42 | 4324 |
| C3.0 | 06:10 | 06:14 | 06:18 | 4324 |
| C2.7 | 05:10 | 05:19 | 05:24 | 4325 |
| C3.8 | 02:43 | 02:47 | 02:52 | 4325 |
| C4.3 | 01:07 | 01:17 | 01:28 | 4325 |
| C2.6 | 00:57 | 01:03 | 01:07 | 4325 |
| C2.6 | 00:23 | 00:31 | 00:36 | 4331 |