Solar flares on October 1, 2001
The most powerful solar flare in 24 hours
M9.1 (strong) flare - October 1 at 5:15 AM
Solar activity index
Value as of the end of the day on October 1, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 30, 2001 to October 1, 2001
Time zone — UTC+00
List of solar flares for October 1, 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 |
|---|---|---|---|---|
| M1.2 | 23:40 | 23:45 | 23:51 | 9632 |
| C4.1 | 22:23 | 22:26 | 22:28 | — |
| C7.5 | 14:05 | 14:11 | 14:18 | 9628 |
| M9.1 | 04:41 | 05:15 | 05:23 | — |