Solar flares on October 31, 2001
The most powerful solar flare in 24 hours
M3.2 (strong) flare - October 31 at 11:09 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+03 (Moscow)
List of solar flares for October 31, 2001
The total number of solar flares of class C and higher — 4 flares
C class — 2 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.6 | 19:01 | 19:05 | 19:08 | 9682 |
| M1.5 | 13:39 | 13:51 | 14:00 | — |
| M3.2 | 10:34 | 11:09 | 11:19 | 9682 |
| C3.3 | 05:06 | 05:11 | 05:18 | — |