Solar flares on February 4, 2014
The most powerful solar flare in 24 hours
M5.2 (strong) flare - February 4 at 4:00 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+00
List of solar flares for February 4, 2014
The total number of solar flares of class C and higher — 16 flares
C class — 12 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.8 | 23:27 | 23:30 | 23:38 | 1968 |
| C7.5 | 22:37 | 22:47 | 22:55 | 1968 |
| C6.5 | 21:57 | 22:03 | 22:18 | 1968 |
| C5.5 | 21:28 | 21:35 | 21:42 | 1967 |
| C4.4 | 20:13 | 20:20 | 20:27 | 1967 |
| C5.4 | 19:27 | 19:41 | 19:54 | 1967 |
| C4.7 | 18:36 | 18:49 | 18:54 | — |
| M1.5 | 15:25 | 16:02 | 16:49 | 1967 |
| C6.4 | 14:32 | 14:36 | 14:43 | 1967 |
| C7.7 | 13:35 | 13:53 | 14:10 | 1967 |
| C5.9 | 11:53 | 12:20 | 12:24 | 1967 |
| M1.4 | 09:38 | 09:49 | 09:58 | 1967 |
| C7.4 | 09:16 | 09:25 | 09:36 | 1967 |
| C3.3 | 05:45 | 05:49 | 05:54 | 1967 |
| M5.2 | 03:57 | 04:00 | 04:06 | 1967 |
| M3.8 | 01:16 | 01:23 | 01:31 | 1968 |