Solar flares on July 4, 2013
The most powerful solar flare in 24 hours
C8.9 (normal) flare - July 4 at 1:08 AM
Solar activity index
Value as of the end of the day on July 4, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 3, 2013 to July 4, 2013
Time zone — UTC+01 (London) — summer time
List of solar flares for July 4, 2013
The total number of solar flares of class C and higher — 13 flares
C class — 13 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.7 | 22:22 | 22:25 | 22:27 | 1787 |
| C6.8 | 20:35 | 20:44 | 20:57 | 1787 |
| C5.9 | 19:42 | 19:54 | 20:02 | 1787 |
| C1.0 | 16:50 | 16:53 | 16:59 | 1787 |
| C1.5 | 13:12 | 13:17 | 13:22 | — |
| C1.8 | 12:34 | 12:41 | 12:50 | 1787 |
| C1.3 | 09:14 | 09:17 | 09:25 | — |
| C3.9 | 06:20 | 06:23 | 06:26 | 1785 |
| C1.0 | 05:59 | 06:03 | 06:11 | 1785 |
| C1.1 | 03:50 | 03:53 | 03:55 | — |
| C3.0 | 02:53 | 03:04 | 03:08 | 1785 |
| C1.9 | 01:22 | 01:25 | 01:32 | — |
| C8.9 | 01:04 | 01:08 | 01:13 | 1785 |