Solar flares on December 22, 2013
The most powerful solar flare in 24 hours
M3.3 (strong) flare - December 22 at 4:12 PM
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+01 (Madrid)
List of solar flares for December 22, 2013
The total number of solar flares of class C and higher — 20 flares
C class — 15 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.2 | 23:36 | 23:44 | 23:54 | 1928 |
| M1.6 | 22:23 | 23:08 | 23:13 | 1928 |
| C6.1 | 21:29 | 21:34 | 21:39 | 1928 |
| C6.1 | 20:21 | 20:25 | 20:30 | — |
| C8.8 | 19:55 | 20:09 | 20:17 | 1928 |
| M3.3 | 16:06 | 16:12 | 16:19 | 1928 |
| M1.6 | 15:24 | 15:38 | 15:48 | 1934 |
| C4.3 | 13:26 | 13:43 | 13:50 | — |
| C3.7 | 12:19 | 12:26 | 12:35 | 1928 |
| C6.4 | 10:03 | 10:32 | 10:57 | 1934 |
| M1.1 | 09:33 | 09:37 | 09:41 | 1928 |
| M1.9 | 09:05 | 09:11 | 09:18 | 1928 |
| C2.3 | 08:19 | 08:38 | 08:46 | — |
| C4.7 | 05:40 | 05:46 | 05:53 | 1928 |
| C5.1 | 04:35 | 04:47 | 04:58 | 1928 |
| C2.2 | 04:05 | 04:13 | 04:24 | — |
| C1.6 | 03:30 | 03:34 | 03:39 | — |
| C1.7 | 02:50 | 02:55 | 03:03 | — |
| C1.2 | 02:11 | 02:16 | 02:26 | — |
| C2.3 | 00:16 | 00:20 | 00:31 | 1928 |