Solar flares on October 25, 2013
The most powerful solar flare in 24 hours
M2.3 (strong) flare - October 25 at 2:21 PM
Solar activity index
Value as of the end of the day on October 25, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 24, 2013 to October 25, 2013
Time zone — UTC-05 (Des Moines) — summer time
List of solar flares for October 25, 2013
The total number of solar flares of class C and higher — 11 flares
C class — 8 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.0 | 22:38 | 22:46 | 22:49 | 1882 |
| C2.3 | 22:03 | 22:07 | 22:10 | 1875 |
| C4.5 | 21:42 | 21:50 | 21:55 | 1875 |
| C1.7 | 20:40 | 20:43 | 20:46 | 1875 |
| C1.9 | 19:51 | 19:54 | 19:57 | 1882 |
| C2.3 | 19:28 | 19:32 | 19:35 | 1882 |
| C3.6 | 18:12 | 18:17 | 18:26 | 1882 |
| C3.2 | 17:52 | 18:00 | 18:08 | 1875 |
| M1.9 | 15:54 | 15:58 | 16:13 | 1882 |
| M2.3 | 14:05 | 14:21 | 14:24 | 1882 |
| M1.3 | 12:02 | 12:09 | 12:16 | 1882 |