Solar flares on December 15, 2025
The most powerful solar flare in 24 hours
C3.9 (normal) flare - December 15 at 10:58 PM
Solar activity index
Value as of the end of the day on December 15, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 14, 2025 to December 15, 2025
Time zone — UTC+05:30 (Abbigeri)
List of solar flares for December 15, 2025
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.9 | 22:50 | 22:58 | 23:19 | 4304 |
| C2.0 | 17:51 | 17:55 | 18:04 | 4304 |
| C1.3 | 17:22 | 17:35 | 17:45 | 4308 |
| C1.4 | 08:32 | 08:46 | 08:54 | 4307 |
| C1.8 | 07:10 | 07:18 | 07:26 | 4304 |
| C1.9 | 06:50 | 06:59 | 07:04 | 4307 |