Solar flares on December 22, 2013
The most powerful solar flare in 24 hours
M1.9 (strong) flare - December 22 at 5:11 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+09 (Neryungri)
List of solar flares for December 22, 2013
The total number of solar flares of class C and higher — 19 flares
C class — 16 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.6 | 23:24 | 23:38 | 23:48 | 1934 |
| C4.3 | 21:26 | 21:43 | 21:50 | — |
| C3.7 | 20:19 | 20:26 | 20:35 | 1928 |
| C6.4 | 18:03 | 18:32 | 18:57 | 1934 |
| M1.1 | 17:33 | 17:37 | 17:41 | 1928 |
| M1.9 | 17:05 | 17:11 | 17:18 | 1928 |
| C2.3 | 16:19 | 16:38 | 16:46 | — |
| C4.7 | 13:40 | 13:46 | 13:53 | 1928 |
| C5.1 | 12:35 | 12:47 | 12:58 | 1928 |
| C2.2 | 12:05 | 12:13 | 12:24 | — |
| C1.6 | 11:30 | 11:34 | 11:39 | — |
| C1.7 | 10:50 | 10:55 | 11:03 | — |
| C1.2 | 10:11 | 10:16 | 10:26 | — |
| C2.3 | 08:16 | 08:20 | 08:31 | 1928 |
| C3.2 | 06:43 | 07:22 | 07:33 | — |
| C2.1 | 05:01 | 05:06 | 05:09 | — |
| C7.5 | 04:22 | 04:29 | 04:33 | 1928 |
| C2.0 | 03:33 | 03:41 | 03:52 | — |
| C2.8 | 02:01 | 02:06 | 02:13 | — |