Solar flares on September 4, 2013
The most powerful solar flare in 24 hours
C3.6 (normal) flare - September 4 at 5:28 AM
Solar activity index
Value as of the end of the day on September 4, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 3, 2013 to September 4, 2013
Time zone — UTC+01 (London) — summer time
List of solar flares for September 4, 2013
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 22:31 | 22:35 | 22:39 | 1836 |
| C2.6 | 09:36 | 09:41 | 10:02 | 1837 |
| C1.2 | 08:28 | 08:33 | 08:37 | 1837 |
| C1.1 | 08:19 | 08:23 | 08:27 | 1837 |
| C1.2 | 07:13 | 07:16 | 07:20 | — |
| C2.9 | 06:35 | 06:40 | 06:49 | 1837 |
| C3.6 | 05:13 | 05:28 | 05:31 | 1837 |
| C1.1 | 03:44 | 03:51 | 03:59 | 1837 |