Solar flares on December 25, 2025
The most powerful solar flare in 24 hours
C2.7 (normal) flare - December 25 at 2:13 AM
Solar activity index
Value as of the end of the day on December 25, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 24, 2025 to December 25, 2025
Time zone — UTC+03 (Moscow)
List of solar flares for December 25, 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 |
|---|---|---|---|---|
| C2.3 | 09:01 | 09:09 | 09:16 | 4321 |
| C2.6 | 07:17 | 07:24 | 07:26 | 4319 |
| C2.7 | 02:04 | 02:13 | 02:20 | 4317 |