Solar flares on October 25, 2013
The most powerful solar flare in 24 hours
M2.3 (strong) flare - October 25 at 1:21 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-06 (Cheyenne) — 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 | 21:38 | 21:46 | 21:49 | 1882 |
| C2.3 | 21:03 | 21:07 | 21:10 | 1875 |
| C4.5 | 20:42 | 20:50 | 20:55 | 1875 |
| C1.7 | 19:40 | 19:43 | 19:46 | 1875 |
| C1.9 | 18:51 | 18:54 | 18:57 | 1882 |
| C2.3 | 18:28 | 18:32 | 18:35 | 1882 |
| C3.6 | 17:12 | 17:17 | 17:26 | 1882 |
| C3.2 | 16:52 | 17:00 | 17:08 | 1875 |
| M1.9 | 14:54 | 14:58 | 15:13 | 1882 |
| M2.3 | 13:05 | 13:21 | 13:24 | 1882 |
| M1.3 | 11:02 | 11:09 | 11:16 | 1882 |