Solar flares on October 31, 2001
The most powerful solar flare in 24 hours
M3.2 (strong) flare - October 31 at 10:09 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+02 (Riga)
List of solar flares for October 31, 2001
The total number of solar flares of class C and higher — 5 flares
C class — 2 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.0 | 23:02 | 23:42 | 23:55 | 9687 |
| C5.6 | 18:01 | 18:05 | 18:08 | 9682 |
| M1.5 | 12:39 | 12:51 | 13:00 | — |
| M3.2 | 09:34 | 10:09 | 10:19 | 9682 |
| C3.3 | 04:06 | 04:11 | 04:18 | — |