Solar flares on December 30, 2025
The most powerful solar flare in 24 hours
C3.7 (normal) flare - December 30 at 1:30 AM
Solar activity index
Value as of the end of the day on December 30, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 29, 2025 to December 30, 2025
Time zone — UTC+03 (Oryol)
List of solar flares for December 30, 2025
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.7 | 01:26 | 01:30 | 01:37 | 4321 |
| C3.3 | 01:14 | 01:22 | 01:26 | 4324 |