Solar flares on December 22, 2025
The most powerful solar flare in 24 hours
C8.6 (normal) flare - December 22 at 4:31 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-06 (Springfield)
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 | 19:37 | 19:50 | 20:02 | 4317 |
| C1.2 | 18:03 | 18:11 | 18:17 | 4317 |
| C8.6 | 16:21 | 16:31 | 16:56 | 4317 |
| C2.8 | 02:52 | 03:14 | 03:28 | — |
| C2.0 | 02:40 | 02:46 | 02:52 | 4317 |