Solar flares on December 22, 2025
The most powerful solar flare in 24 hours
M1.3 (strong) flare - December 22 at 1:27 AM
Solar activity index
Value as of the end of the day on December 22, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 21, 2025 to December 22, 2025
Time zone — UTC+07 (Barnaul)
List of solar flares for December 22, 2025
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 15:52 | 16:14 | 16:28 | — |
| C2.0 | 15:40 | 15:46 | 15:52 | 4317 |
| C1.6 | 08:04 | 08:15 | 08:20 | 4317 |
| C2.3 | 07:22 | 07:30 | 07:34 | 4316 |
| C2.0 | 06:25 | 06:30 | 06:34 | 4316 |
| C2.2 | 05:28 | 05:34 | 05:37 | 4316 |
| C3.1 | 04:57 | 05:12 | 05:19 | 4316 |
| C6.2 | 03:51 | 04:01 | 04:07 | — |
| C4.0 | 03:16 | 03:24 | 03:32 | 4316 |
| C6.1 | 02:51 | 03:00 | 03:03 | — |
| C3.9 | 02:29 | 02:43 | 02:51 | 4316 |
| M1.3 | 01:12 | 01:27 | 01:36 | 4316 |
| C2.6 | 23:47 | 00:03 | 00:27 | 4316 |