Solar flares on December 10, 2025
The most powerful solar flare in 24 hours
M1.9 (strong) flare - December 10 at 10:37 AM
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+03 (Cheboksary)
List of solar flares for December 10, 2025
The total number of solar flares of class C and higher — 22 flares
C class — 17 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.7 | 23:19 | 23:24 | 23:34 | 4294 |
| C2.7 | 22:58 | 23:04 | 23:07 | 4294 |
| C3.7 | 22:18 | 22:28 | 22:36 | 4296 |
| C3.4 | 17:56 | 18:05 | 18:14 | 4305 |
| M1.6 | 16:32 | 16:43 | 16:49 | 4294 |
| C4.1 | 13:22 | 13:29 | 13:43 | 4294 |
| M1.0 | 12:46 | 12:55 | 13:02 | 4294 |
| M1.9 | 10:31 | 10:37 | 10:42 | 4294 |
| C2.5 | 10:23 | 10:29 | 10:31 | 4304 |
| C2.0 | 10:00 | 10:04 | 10:07 | 4294 |
| C3.6 | 09:15 | 09:26 | 09:34 | 4294 |
| C3.1 | 08:33 | 08:38 | 08:43 | 4294 |
| C4.1 | 07:57 | 08:03 | 08:07 | 4296 |
| M1.2 | 07:17 | 07:22 | 07:27 | 4294 |
| C9.5 | 06:17 | 06:24 | 06:30 | 4296 |
| C6.5 | 06:05 | 06:13 | 06:17 | 4304 |
| C8.0 | 05:31 | 05:47 | 05:54 | 4294 |
| C7.8 | 04:20 | 04:25 | 04:30 | 4294 |
| M1.5 | 02:13 | 02:27 | 02:36 | 4296 |
| C3.7 | 01:32 | 01:38 | 01:43 | 4305 |
| C5.0 | 00:30 | 00:42 | 01:03 | 4294 |
| C3.4 | 23:53 | 00:09 | 00:21 | 4294 |