Solar flares on February 4, 2014
The most powerful solar flare in 24 hours
M5.2 (strong) flare - February 4 at 6:00 AM
Solar activity index
Value as of the end of the day on February 4, 2014
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 3, 2014 to February 4, 2014
Time zone — UTC+02 (Riga)
List of solar flares for February 4, 2014
The total number of solar flares of class C and higher — 14 flares
C class — 10 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.5 | 23:28 | 23:35 | 23:42 | 1967 |
| C4.4 | 22:13 | 22:20 | 22:27 | 1967 |
| C5.4 | 21:27 | 21:41 | 21:54 | 1967 |
| C4.7 | 20:36 | 20:49 | 20:54 | — |
| M1.5 | 17:25 | 18:02 | 18:49 | 1967 |
| C6.4 | 16:32 | 16:36 | 16:43 | 1967 |
| C7.7 | 15:35 | 15:53 | 16:10 | 1967 |
| C5.9 | 13:53 | 14:20 | 14:24 | 1967 |
| M1.4 | 11:38 | 11:49 | 11:58 | 1967 |
| C7.4 | 11:16 | 11:25 | 11:36 | 1967 |
| C3.3 | 07:45 | 07:49 | 07:54 | 1967 |
| M5.2 | 05:57 | 06:00 | 06:06 | 1967 |
| M3.8 | 03:16 | 03:23 | 03:31 | 1968 |
| C7.8 | 00:29 | 00:33 | 00:36 | — |