Solar flares on December 23, 2025
The most powerful solar flare in 24 hours
C1.6 (normal) flare - December 23 at 1:50 AM
Solar activity index
Value as of the end of the day on December 23, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 22, 2025 to December 23, 2025
Time zone — UTC+00
List of solar flares for December 23, 2025
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 15:20 | 15:29 | 15:44 | 4317 |
| C1.5 | 09:45 | 09:56 | 10:04 | 4317 |
| C1.2 | 09:16 | 09:24 | 09:33 | 4316 |
| C1.6 | 01:37 | 01:50 | 02:02 | 4317 |
| C1.2 | 00:03 | 00:11 | 00:17 | 4317 |