Solar flares on September 22, 2001
The most powerful solar flare in 24 hours
C8.1 (normal) flare - September 22 at 8:45 AM
Solar activity index
Value as of the end of the day on September 22, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 21, 2001 to September 22, 2001
Time zone — UTC+02 (Monaco) — summer time
List of solar flares for September 22, 2001
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.4 | 20:08 | 20:17 | 20:32 | 9628 |
| C5.0 | 17:02 | 17:06 | 17:12 | 9632 |
| C2.5 | 14:19 | 14:22 | 14:26 | 9632 |
| C3.9 | 12:48 | 12:55 | 13:02 | 9632 |
| C8.1 | 08:38 | 08:45 | 08:53 | 9632 |
| C4.9 | 07:41 | 07:44 | 07:47 | 9616 |
| C3.4 | 06:44 | 06:54 | 07:09 | — |
| C3.1 | 02:33 | 02:37 | 02:46 | — |