Solar flares on October 21, 2022
The most powerful solar flare in 24 hours
C5.9 (normal) flare - October 21 at 3:53 AM
Solar activity index
Value as of the end of the day on October 21, 2022
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 20, 2022 to October 21, 2022
Time zone — UTC+11 (Melbourne) — summer time
List of solar flares for October 21, 2022
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 18:07 | 18:17 | 18:27 | — |
| C2.5 | 17:01 | 17:13 | 17:26 | — |
| C1.6 | 15:26 | 15:33 | 15:45 | — |
| C1.1 | 14:16 | 14:24 | 14:31 | — |
| C1.2 | 13:05 | 13:14 | 13:25 | — |
| C2.4 | 12:07 | 12:14 | 12:19 | — |
| C1.6 | 07:20 | 07:28 | 07:39 | 3122 |
| C2.0 | 06:47 | 06:51 | 06:59 | 3122 |
| C2.0 | 06:06 | 06:11 | 06:18 | 3122 |
| C4.0 | 04:40 | 04:46 | 04:50 | 3122 |
| C5.9 | 03:40 | 03:53 | 03:57 | 3122 |
| C2.7 | 02:17 | 02:24 | 02:28 | 3122 |