Solar flares on December 22, 2013
The most powerful solar flare in 24 hours
M3.3 (strong) flare - December 22 at 8:12 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-07 (Denver)
List of solar flares for December 22, 2013
The total number of solar flares of class C and higher — 20 flares
C class — 14 | M class — 6 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.3 | 22:51 | 22:55 | 22:58 | 1928 |
| C1.7 | 21:26 | 21:29 | 21:32 | 1934 |
| C1.7 | 20:14 | 20:18 | 20:21 | — |
| C4.4 | 18:58 | 19:02 | 19:06 | 1928 |
| C4.5 | 18:38 | 18:46 | 18:55 | 1928 |
| C2.7 | 18:10 | 18:14 | 18:19 | 1928 |
| M1.3 | 16:44 | 17:03 | 17:05 | 1928 |
| C8.2 | 15:36 | 15:44 | 15:54 | 1928 |
| M1.6 | 14:23 | 15:08 | 15:13 | 1928 |
| C6.1 | 13:29 | 13:34 | 13:39 | 1928 |
| C6.1 | 12:21 | 12:25 | 12:30 | — |
| C8.8 | 11:55 | 12:09 | 12:17 | 1928 |
| M3.3 | 08:06 | 08:12 | 08:19 | 1928 |
| M1.6 | 07:24 | 07:38 | 07:48 | 1934 |
| C4.3 | 05:26 | 05:43 | 05:50 | — |
| C3.7 | 04:19 | 04:26 | 04:35 | 1928 |
| C6.4 | 02:03 | 02:32 | 02:57 | 1934 |
| M1.1 | 01:33 | 01:37 | 01:41 | 1928 |
| M1.9 | 01:05 | 01:11 | 01:18 | 1928 |
| C2.3 | 00:19 | 00:38 | 00:46 | — |