Solar flares on December 14, 2025
The most powerful solar flare in 24 hours
C3.8 (normal) flare - December 14 at 2:42 AM
Solar activity index
Value as of the end of the day on December 14, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 13, 2025 to December 14, 2025
Time zone — UTC-05 (Lansing)
List of solar flares for December 14, 2025
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 22:02 | 22:16 | 22:24 | 4307 |
| C1.8 | 20:40 | 20:48 | 20:56 | 4304 |
| C1.9 | 20:20 | 20:29 | 20:34 | 4307 |
| C1.0 | 13:04 | 13:12 | 13:16 | 4307 |
| C2.3 | 11:55 | 12:13 | 12:17 | 4307 |
| C1.9 | 07:23 | 07:35 | 07:54 | 4304 |
| C1.2 | 04:05 | 04:11 | 04:15 | 4304 |
| C3.8 | 02:24 | 02:42 | 03:04 | 4296 |