Solar flares on February 16, 2011
The most powerful solar flare in 24 hours
M1.6 (strong) flare - February 16 at 4:25 PM
Solar activity index
Value as of the end of the day on February 16, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 15, 2011 to February 16, 2011
Time zone — UTC+02 (Riga)
List of solar flares for February 16, 2011
The total number of solar flares of class C and higher — 15 flares
C class — 12 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.2 | 23:06 | 23:11 | 23:14 | 1158 |
| C1.1 | 22:11 | 22:15 | 22:19 | 1158 |
| C1.3 | 21:29 | 21:36 | 21:43 | 1158 |
| C7.7 | 17:27 | 17:32 | 17:37 | 1158 |
| M1.6 | 16:19 | 16:25 | 16:29 | 1158 |
| C1.0 | 13:58 | 14:02 | 14:05 | 1158 |
| C3.2 | 12:25 | 12:32 | 12:39 | 1158 |
| C9.9 | 11:02 | 11:11 | 11:19 | 1158 |
| M1.1 | 09:35 | 09:44 | 09:55 | 1161 |
| C2.2 | 08:18 | 08:22 | 08:29 | — |
| C5.9 | 07:40 | 07:45 | 07:55 | — |
| C2.2 | 03:56 | 04:00 | 04:05 | 1158 |
| M1.0 | 03:32 | 03:39 | 03:46 | — |
| C2.0 | 02:58 | 03:05 | 03:10 | — |
| C1.3 | 00:49 | 00:54 | 00:56 | 1158 |