Solar flares on December 10, 2025
The most powerful solar flare in 24 hours
M1.9 (strong) flare - December 10 at 12:37 PM
Solar activity index
Value as of the end of the day on December 10, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 9, 2025 to December 10, 2025
Time zone — UTC+05 (Ufa)
List of solar flares for December 10, 2025
The total number of solar flares of class C and higher — 20 flares
C class — 15 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.4 | 19:56 | 20:05 | 20:14 | 4305 |
| M1.6 | 18:32 | 18:43 | 18:49 | 4294 |
| C4.1 | 15:22 | 15:29 | 15:43 | 4294 |
| M1.0 | 14:46 | 14:55 | 15:02 | 4294 |
| M1.9 | 12:31 | 12:37 | 12:42 | 4294 |
| C2.5 | 12:23 | 12:29 | 12:31 | 4304 |
| C2.0 | 12:00 | 12:04 | 12:07 | 4294 |
| C3.6 | 11:15 | 11:26 | 11:34 | 4294 |
| C3.1 | 10:33 | 10:38 | 10:43 | 4294 |
| C4.1 | 09:57 | 10:03 | 10:07 | 4296 |
| M1.2 | 09:17 | 09:22 | 09:27 | 4294 |
| C9.5 | 08:17 | 08:24 | 08:30 | 4296 |
| C6.5 | 08:05 | 08:13 | 08:17 | 4304 |
| C8.0 | 07:31 | 07:47 | 07:54 | 4294 |
| C7.8 | 06:20 | 06:25 | 06:30 | 4294 |
| M1.5 | 04:13 | 04:27 | 04:36 | 4296 |
| C3.7 | 03:32 | 03:38 | 03:43 | 4305 |
| C5.0 | 02:30 | 02:42 | 03:03 | 4294 |
| C3.4 | 01:53 | 02:09 | 02:21 | 4294 |
| C3.9 | 23:51 | 00:12 | 00:31 | 4294 |