Solar flares on April 25, 2013
The most powerful solar flare in 24 hours
C5.8 (normal) flare - April 25 at 9:40 PM
Solar activity index
Value as of the end of the day on April 25, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 24, 2013 to April 25, 2013
Time zone — UTC+02 (Vienna) — summer time
List of solar flares for April 25, 2013
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.8 | 21:34 | 21:40 | 21:43 | 1726 |
| C5.6 | 19:24 | 19:28 | 19:32 | 1726 |
| C3.9 | 19:09 | 19:17 | 19:23 | — |
| C1.5 | 18:12 | 18:24 | 18:33 | 1726 |
| C1.1 | 16:23 | 16:35 | 16:48 | 1726 |
| C3.4 | 12:43 | 12:52 | 13:10 | 1726 |
| C2.3 | 10:26 | 10:32 | 10:41 | — |
| C1.5 | 05:30 | 05:41 | 05:51 | 1726 |
| C2.0 | 03:57 | 04:23 | 04:32 | 1724 |
| C2.6 | 02:12 | 02:21 | 02:37 | 1726 |
| C1.6 | 00:39 | 00:55 | 01:26 | 1726 |