Solar flares on April 4, 2017
The most powerful solar flare in 24 hours
C5.0 (normal) flare - April 4 at 4:13 AM
Solar activity index
Value as of the end of the day on April 4, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 3, 2017 to April 4, 2017
Time zone — UTC+08 (Irkutsk)
List of solar flares for April 4, 2017
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 21:31 | 21:41 | 21:56 | 2644 |
| C1.9 | 20:12 | 20:16 | 20:18 | 2644 |
| C2.3 | 17:46 | 17:51 | 17:58 | 2644 |
| C3.7 | 15:02 | 15:12 | 15:25 | 2644 |
| C1.1 | 14:09 | 14:16 | 14:19 | 2644 |
| C1.9 | 09:28 | 09:32 | 09:36 | 2648 |
| C1.4 | 08:35 | 08:39 | 08:54 | 2645 |
| C1.7 | 07:43 | 07:52 | 07:56 | 2645 |
| C2.3 | 06:51 | 07:02 | 07:06 | 2644 |
| C1.6 | 05:13 | 05:16 | 05:18 | 2644 |
| C5.0 | 04:07 | 04:13 | 04:20 | 2644 |
| C2.5 | 03:06 | 03:10 | 03:14 | — |