Solar flares on December 22, 2013
The most powerful solar flare in 24 hours
M3.3 (strong) flare - December 22 at 6:12 AM
Solar activity index
Value as of the end of the day on December 22, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 21, 2013 to December 22, 2013
Time zone — UTC-09 (Hooper Bay)
List of solar flares for December 22, 2013
The total number of solar flares of class C and higher — 19 flares
C class — 15 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 23:41 | 23:44 | 23:47 | — |
| C7.9 | 22:53 | 22:58 | 23:02 | 1928 |
| C3.3 | 20:51 | 20:55 | 20:58 | 1928 |
| C1.7 | 19:26 | 19:29 | 19:32 | 1934 |
| C1.7 | 18:14 | 18:18 | 18:21 | — |
| C4.4 | 16:58 | 17:02 | 17:06 | 1928 |
| C4.5 | 16:38 | 16:46 | 16:55 | 1928 |
| C2.7 | 16:10 | 16:14 | 16:19 | 1928 |
| M1.3 | 14:44 | 15:03 | 15:05 | 1928 |
| C8.2 | 13:36 | 13:44 | 13:54 | 1928 |
| M1.6 | 12:23 | 13:08 | 13:13 | 1928 |
| C6.1 | 11:29 | 11:34 | 11:39 | 1928 |
| C6.1 | 10:21 | 10:25 | 10:30 | — |
| C8.8 | 09:55 | 10:09 | 10:17 | 1928 |
| M3.3 | 06:06 | 06:12 | 06:19 | 1928 |
| M1.6 | 05:24 | 05:38 | 05:48 | 1934 |
| C4.3 | 03:26 | 03:43 | 03:50 | — |
| C3.7 | 02:19 | 02:26 | 02:35 | 1928 |
| C6.4 | 00:03 | 00:32 | 00:57 | 1934 |