Solar flares on October 31, 2001
The most powerful solar flare in 24 hours
M3.2 (strong) flare - October 31 at 8:09 AM
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+00
List of solar flares for October 31, 2001
The total number of solar flares of class C and higher — 6 flares
C class — 3 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 23:14 | 23:19 | 23:26 | — |
| M1.0 | 21:02 | 21:42 | 21:55 | 9687 |
| C5.6 | 16:01 | 16:05 | 16:08 | 9682 |
| M1.5 | 10:39 | 10:51 | 11:00 | — |
| M3.2 | 07:34 | 08:09 | 08:19 | 9682 |
| C3.3 | 02:06 | 02:11 | 02:18 | — |