Solar flares on December 29, 2025
The most powerful solar flare in 24 hours
M4.2 (strong) flare - December 29 at 4:09 AM
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+05:30 (Abbigeri)
List of solar flares for December 29, 2025
The total number of solar flares of class C and higher — 17 flares
C class — 13 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.3 | 23:46 | 23:57 | 00:02 | 4324 |
| C3.5 | 23:33 | 23:41 | 23:46 | 4324 |
| C3.3 | 22:00 | 22:05 | 22:12 | 4324 |
| C3.0 | 18:40 | 18:44 | 18:48 | 4324 |
| C2.7 | 17:40 | 17:49 | 17:54 | 4325 |
| C3.8 | 15:13 | 15:17 | 15:22 | 4325 |
| C4.3 | 13:37 | 13:47 | 13:58 | 4325 |
| C2.6 | 13:27 | 13:33 | 13:37 | 4325 |
| C2.6 | 12:53 | 13:01 | 13:06 | 4331 |
| M1.0 | 12:04 | 12:21 | 12:26 | 4325 |
| C8.9 | 08:28 | 08:35 | 08:40 | 4317 |
| C4.8 | 06:49 | 06:58 | 07:02 | 4325 |
| M2.2 | 05:27 | 05:32 | 05:37 | 4324 |
| M4.2 | 03:31 | 04:09 | 04:24 | 4317 |
| C6.8 | 03:18 | 03:23 | 03:26 | 4318 |
| M1.3 | 02:33 | 02:43 | 02:53 | 4325 |
| C4.0 | 00:47 | 01:38 | 02:10 | 4325 |