Solar flares on February 14, 2011
The most powerful solar flare in 24 hours
X2.2 (very strong) flare - February 14 at 3:56 PM
Solar activity index
Value as of the end of the day on February 14, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 13, 2011 to February 14, 2011
Time zone — UTC-10 (Honolulu)
List of solar flares for February 14, 2011
The total number of solar flares of class C and higher — 10 flares
C class — 8 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 18:27 | 18:32 | 18:37 | — |
| X2.2 | 15:44 | 15:56 | 16:06 | 1158 |
| C2.7 | 14:31 | 14:38 | 14:48 | — |
| C2.7 | 13:40 | 13:46 | 13:57 | 1158 |
| C1.2 | 13:14 | 13:19 | 13:26 | 1158 |
| C6.6 | 09:23 | 09:30 | 09:36 | 1158 |
| M2.2 | 07:20 | 07:26 | 07:32 | 1158 |
| C7.0 | 03:47 | 04:27 | 04:42 | 1158 |
| C9.4 | 02:41 | 02:53 | 02:58 | 1158 |
| C1.7 | 01:51 | 02:00 | 02:26 | 1158 |