Solar flares on December 27, 2025
The most powerful solar flare in 24 hours
M5.1 (strong) flare - December 27 at 4:50 AM
Solar activity index
Value as of the end of the day on December 27, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 26, 2025 to December 27, 2025
Time zone — UTC+03 (Moscow)
List of solar flares for December 27, 2025
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 18:35 | 18:50 | 19:09 | 4325 |
| C3.2 | 17:11 | 17:15 | 17:19 | 4324 |
| C3.7 | 16:22 | 16:29 | 16:32 | 4324 |
| C2.5 | 13:24 | 13:29 | 13:36 | 4321 |
| C4.5 | 10:44 | 10:58 | 11:16 | 4317 |
| C2.8 | 09:40 | 09:47 | 09:50 | 4324 |
| C3.7 | 08:32 | 08:39 | 08:41 | 4324 |
| M5.1 | 04:38 | 04:50 | 04:59 | 4325 |
| C4.8 | 03:23 | 03:32 | 03:38 | 4324 |