Solar flares on December 22, 2025
The most powerful solar flare in 24 hours
C8.6 (normal) flare - December 22 at 3:31 PM
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 (Cheyenne)
List of solar flares for December 22, 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 |
|---|---|---|---|---|
| C1.6 | 18:37 | 18:50 | 19:02 | 4317 |
| C1.2 | 17:03 | 17:11 | 17:17 | 4317 |
| C8.6 | 15:21 | 15:31 | 15:56 | 4317 |
| C2.8 | 01:52 | 02:14 | 02:28 | — |
| C2.0 | 01:40 | 01:46 | 01:52 | 4317 |