Solar flares on October 22, 2001
The most powerful solar flare in 24 hours
X1.2 (very strong) flare - October 22 at 11:59 AM
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-06 (Saskatoon)
List of solar flares for October 22, 2001
The total number of solar flares of class C and higher — 9 flares
C class — 5 | M class — 3 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.5 | 23:05 | 23:10 | 23:20 | — |
| M6.5 | 20:11 | 20:23 | 20:34 | 9672 |
| M1.3 | 18:13 | 18:23 | 18:35 | 9672 |
| C7.9 | 14:57 | 15:06 | 15:14 | — |
| X1.2 | 11:44 | 11:59 | 12:14 | 9672 |
| M6.7 | 08:27 | 09:08 | 09:31 | 9672 |
| C7.5 | 06:05 | 06:17 | 06:30 | 9669 |
| C5.6 | 05:36 | 05:41 | 05:45 | 9672 |
| C4.3 | 03:53 | 03:56 | 04:00 | — |