Solar flares on October 4, 2001
The most powerful solar flare in 24 hours
C3.1 (normal) flare - October 4 at 7:33 AM
Solar activity index
Value as of the end of the day on October 4, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 3, 2001 to October 4, 2001
Time zone — UTC-05 (Springfield) — summer time
List of solar flares for October 4, 2001
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 16:12 | 16:16 | 16:20 | — |
| C1.9 | 14:50 | 14:58 | 15:04 | 9641 |
| C2.4 | 09:13 | 09:23 | 09:27 | 9644 |
| C3.1 | 06:53 | 07:33 | 08:12 | 9634 |
| C2.3 | 01:31 | 01:34 | 01:36 | 9645 |
| C2.7 | 01:05 | 01:11 | 01:16 | 9645 |