Solar flares on September 4, 2013
The most powerful solar flare in 24 hours
C3.6 (normal) flare - September 4 at 7:28 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+03 (Kaluga)
List of solar flares for September 4, 2013
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.6 | 11:36 | 11:41 | 12:02 | 1837 |
| C1.2 | 10:28 | 10:33 | 10:37 | 1837 |
| C1.1 | 10:19 | 10:23 | 10:27 | 1837 |
| C1.2 | 09:13 | 09:16 | 09:20 | — |
| C2.9 | 08:35 | 08:40 | 08:49 | 1837 |
| C3.6 | 07:13 | 07:28 | 07:31 | 1837 |
| C1.1 | 05:44 | 05:51 | 05:59 | 1837 |