Solar flares on April 25, 2013
The most powerful solar flare in 24 hours
C5.8 (normal) flare - April 25 at 8:40 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+01 (London) — 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 |
|---|---|---|---|---|
| C5.7 | 22:55 | 23:02 | 23:06 | 1726 |
| C5.8 | 20:34 | 20:40 | 20:43 | 1726 |
| C5.6 | 18:24 | 18:28 | 18:32 | 1726 |
| C3.9 | 18:09 | 18:17 | 18:23 | — |
| C1.5 | 17:12 | 17:24 | 17:33 | 1726 |
| C1.1 | 15:23 | 15:35 | 15:48 | 1726 |
| C3.4 | 11:43 | 11:52 | 12:10 | 1726 |
| C2.3 | 09:26 | 09:32 | 09:41 | — |
| C1.5 | 04:30 | 04:41 | 04:51 | 1726 |
| C2.0 | 02:57 | 03:23 | 03:32 | 1724 |
| C2.6 | 01:12 | 01:21 | 01:37 | 1726 |