Solar flares on October 25, 2001
The most powerful solar flare in 24 hours
X1.3 (very strong) flare - October 25 at 3:02 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+00
List of solar flares for October 25, 2001
The total number of solar flares of class C and higher — 17 flares
C class — 16 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.8 | 23:42 | 23:48 | 23:54 | 9678 |
| C6.1 | 22:50 | 22:54 | 22:58 | — |
| C5.3 | 22:06 | 22:10 | 22:13 | — |
| C8.9 | 21:44 | 21:47 | 21:50 | — |
| C5.9 | 21:34 | 21:37 | 21:42 | — |
| C6.6 | 21:16 | 21:20 | 21:24 | 9678 |
| C4.4 | 20:45 | 20:49 | 20:54 | 9678 |
| C7.5 | 19:19 | 19:23 | 19:31 | 9678 |
| X1.3 | 14:42 | 15:02 | 15:28 | 9672 |
| C2.2 | 13:50 | 13:54 | 13:58 | — |
| C4.3 | 12:20 | 12:37 | 12:50 | 9669 |
| C6.3 | 10:39 | 10:47 | 11:00 | — |
| C5.7 | 07:41 | 07:48 | 07:56 | 9678 |
| C5.4 | 06:24 | 06:30 | 06:39 | 9672 |
| C5.2 | 05:16 | 05:21 | 05:25 | 9672 |
| C4.8 | 03:22 | 03:31 | 03:45 | 9678 |
| C5.3 | 23:59 | 00:03 | 00:06 | 9672 |