Solar flares on October 25, 2001
The most powerful solar flare in 24 hours
X1.3 (very strong) flare - October 25 at 8:32 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+05:30 (Agra)
List of solar flares for October 25, 2001
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| X1.3 | 20:12 | 20:32 | 20:58 | 9672 |
| C2.2 | 19:20 | 19:24 | 19:28 | — |
| C4.3 | 17:50 | 18:07 | 18:20 | 9669 |
| C6.3 | 16:09 | 16:17 | 16:30 | — |
| C5.7 | 13:11 | 13:18 | 13:26 | 9678 |
| C5.4 | 11:54 | 12:00 | 12:09 | 9672 |
| C5.2 | 10:46 | 10:51 | 10:55 | 9672 |
| C4.8 | 08:52 | 09:01 | 09:15 | 9678 |
| C5.3 | 05:29 | 05:33 | 05:36 | 9672 |
| C3.4 | 03:37 | 04:11 | 04:27 | 9680 |
| C6.3 | 23:24 | 00:11 | 00:37 | 9678 |