Solar flares on December 15, 2021
The most powerful solar flare in 24 hours
C8.1 (normal) flare - December 15 at 1:44 PM
Solar activity index
Value as of the end of the day on December 15, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 14, 2021 to December 15, 2021
Time zone — UTC+03 (Belgorod)
List of solar flares for December 15, 2021
The total number of solar flares of class C and higher — 18 flares
C class — 18 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.4 | 17:27 | 17:34 | 17:38 | 2907 |
| C1.5 | 17:09 | 17:13 | 17:21 | 2907 |
| C2.6 | 15:08 | 15:17 | 15:26 | 2907 |
| C8.1 | 13:31 | 13:44 | 13:48 | 2907 |
| C2.2 | 13:13 | 13:22 | 13:31 | 2907 |
| C1.7 | 13:04 | 13:10 | 13:13 | 2907 |
| C1.5 | 12:05 | 12:22 | 12:34 | 2907 |
| C1.6 | 11:38 | 11:52 | 12:05 | 2907 |
| C1.6 | 09:08 | 09:12 | 09:16 | 2907 |
| C1.7 | 08:48 | 08:58 | 09:08 | 2907 |
| C2.8 | 07:48 | 07:54 | 07:58 | 2907 |
| C4.5 | 07:07 | 07:21 | 07:32 | 2907 |
| C1.9 | 06:38 | 06:46 | 06:51 | 2907 |
| C2.8 | 05:57 | 06:04 | 06:09 | 2907 |
| C2.1 | 04:36 | 04:46 | 04:55 | 2907 |
| C6.0 | 02:44 | 02:49 | 02:56 | 2907 |
| C3.0 | 02:12 | 02:25 | 02:44 | 2907 |
| C1.6 | 00:55 | 01:06 | 01:12 | 2906 |