Solar flares on October 22, 2001
The most powerful solar flare in 24 hours
X1.2 (very strong) flare - October 22 at 5:59 PM
Solar activity index
Value as of the end of the day on October 22, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 21, 2001 to October 22, 2001
Time zone — UTC+00
List of solar flares for October 22, 2001
The total number of solar flares of class C and higher — 9 flares
C class — 6 | M class — 2 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C7.9 | 20:57 | 21:06 | 21:14 | — |
| X1.2 | 17:44 | 17:59 | 18:14 | 9672 |
| M6.7 | 14:27 | 15:08 | 15:31 | 9672 |
| C7.5 | 12:05 | 12:17 | 12:30 | 9669 |
| C5.6 | 11:36 | 11:41 | 11:45 | 9672 |
| C4.3 | 09:53 | 09:56 | 10:00 | — |
| C4.3 | 05:05 | 05:08 | 05:10 | — |
| C6.8 | 03:44 | 03:59 | 04:23 | 9669 |
| M1.0 | 00:22 | 00:40 | 00:48 | 9658 |