Solar flares on December 24, 2025
The most powerful solar flare in 24 hours
C4.9 (normal) flare - December 24 at 5:21 AM
Solar activity index
Value as of the end of the day on December 24, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 23, 2025 to December 24, 2025
Time zone — UTC-05 (Toronto)
List of solar flares for December 24, 2025
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.6 | 23:17 | 23:24 | 23:26 | 4319 |
| C2.7 | 18:04 | 18:13 | 18:20 | 4317 |
| C4.9 | 05:07 | 05:21 | 06:13 | 4317 |