Solar flares on October 1, 2001
The most powerful solar flare in 24 hours
M9.1 (strong) flare - October 1 at 1:15 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-04 (Quebec) — summer time
List of solar flares for October 1, 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 |
|---|---|---|---|---|
| C5.8 | 23:24 | 23:29 | 23:34 | — |
| M1.2 | 19:40 | 19:45 | 19:51 | 9632 |
| C4.1 | 18:23 | 18:26 | 18:28 | — |
| C7.5 | 10:05 | 10:11 | 10:18 | 9628 |
| M9.1 | 00:41 | 01:15 | 01:23 | — |