Solar flares on October 25, 2001
The most powerful solar flare in 24 hours
X1.3 (very strong) flare - October 25 at 11:02 PM
Solar activity index
Value as of the end of the day on October 25, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 24, 2001 to October 25, 2001
Time zone — UTC+08 (Ulan-Ude)
List of solar flares for October 25, 2001
The total number of solar flares of class C and higher — 12 flares
C class — 11 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| X1.3 | 22:42 | 23:02 | 23:28 | 9672 |
| C2.2 | 21:50 | 21:54 | 21:58 | — |
| C4.3 | 20:20 | 20:37 | 20:50 | 9669 |
| C6.3 | 18:39 | 18:47 | 19:00 | — |
| C5.7 | 15:41 | 15:48 | 15:56 | 9678 |
| C5.4 | 14:24 | 14:30 | 14:39 | 9672 |
| C5.2 | 13:16 | 13:21 | 13:25 | 9672 |
| C4.8 | 11:22 | 11:31 | 11:45 | 9678 |
| C5.3 | 07:59 | 08:03 | 08:06 | 9672 |
| C3.4 | 06:07 | 06:41 | 06:57 | 9680 |
| C6.3 | 01:54 | 02:41 | 03:07 | 9678 |
| C2.0 | 01:06 | 01:11 | 01:19 | 9672 |