Solar flares on September 22, 2001
The most powerful solar flare in 24 hours
C8.1 (normal) flare - September 22 at 1:45 PM
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+07 (Barnaul)
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 |
|---|---|---|---|---|
| C5.0 | 22:02 | 22:06 | 22:12 | 9632 |
| C2.5 | 19:19 | 19:22 | 19:26 | 9632 |
| C3.9 | 17:48 | 17:55 | 18:02 | 9632 |
| C8.1 | 13:38 | 13:45 | 13:53 | 9632 |
| C4.9 | 12:41 | 12:44 | 12:47 | 9616 |
| C3.4 | 11:44 | 11:54 | 12:09 | — |
| C3.1 | 07:33 | 07:37 | 07:46 | — |
| C3.8 | 03:08 | 03:12 | 03:18 | 9631 |