Solar flares on October 30, 2001
The most powerful solar flare in 24 hours
C9.2 (normal) flare - October 30 at 8:32 PM
Solar activity index
Value as of the end of the day on October 30, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 29, 2001 to October 30, 2001
Time zone — UTC+00
List of solar flares for October 30, 2001
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.2 | 18:02 | 20:32 | 21:12 | — |
| C7.0 | 16:47 | 16:57 | 17:04 | 9682 |
| C3.6 | 15:16 | 15:19 | 15:21 | 9682 |
| C5.0 | 14:47 | 14:57 | 15:03 | — |
| C4.2 | 13:51 | 13:54 | 13:59 | — |
| C7.4 | 12:16 | 12:20 | 12:23 | 9682 |
| C3.5 | 12:01 | 12:04 | 12:11 | 9684 |
| C4.4 | 11:42 | 11:46 | 11:51 | 9682 |
| C6.7 | 11:09 | 11:24 | 11:32 | 9682 |
| C6.6 | 10:09 | 10:15 | 10:24 | 9682 |
| C3.1 | 06:11 | 06:16 | 06:22 | — |
| C6.0 | 03:03 | 03:23 | 03:46 | — |