Solar flares on December 12, 2025
The most powerful solar flare in 24 hours
M2.0 (strong) flare - December 12 at 10:35 AM
Solar activity index
Value as of the end of the day on December 12, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 11, 2025 to December 12, 2025
Time zone — UTC+05:30 (Bilaspur)
List of solar flares for December 12, 2025
The total number of solar flares of class C and higher — 10 flares
C class — 8 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.2 | 22:52 | 23:27 | 23:59 | 4294 |
| C3.5 | 21:13 | 21:28 | 21:42 | 4294 |
| C2.8 | 20:07 | 20:17 | 20:21 | 4296 |
| C2.2 | 19:13 | 19:18 | 19:22 | 4294 |
| C2.6 | 14:40 | 14:49 | 14:59 | 4294 |
| M1.1 | 10:57 | 11:14 | 11:23 | 4294 |
| M2.0 | 10:20 | 10:35 | 10:44 | 4296 |
| C2.4 | 05:05 | 05:15 | 05:23 | 4305 |
| C2.3 | 03:56 | 04:02 | 04:05 | 4294 |
| C1.8 | 03:05 | 03:16 | 03:23 | 4296 |