Solar flares on October 31, 2001
The most powerful solar flare in 24 hours
M3.2 (strong) flare - October 31 at 3:09 PM
Solar activity index
Value as of the end of the day on October 31, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 30, 2001 to October 31, 2001
Time zone — UTC+07 (Barnaul)
List of solar flares for October 31, 2001
The total number of solar flares of class C and higher — 5 flares
C class — 3 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.6 | 23:01 | 23:05 | 23:08 | 9682 |
| M1.5 | 17:39 | 17:51 | 18:00 | — |
| M3.2 | 14:34 | 15:09 | 15:19 | 9682 |
| C3.3 | 09:06 | 09:11 | 09:18 | — |
| C9.2 | 01:02 | 03:32 | 04:12 | — |