Solar flares on October 21, 2022
The most powerful solar flare in 24 hours
C6.4 (normal) flare - October 21 at 11:42 PM
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-06 (Calgary) — summer time
List of solar flares for October 21, 2022
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.4 | 23:27 | 23:42 | 00:10 | — |
| C4.1 | 20:44 | 21:03 | 21:20 | 3125 |
| C2.2 | 19:25 | 19:38 | 19:57 | — |
| C1.3 | 18:45 | 19:08 | 19:25 | — |
| C2.9 | 01:07 | 01:17 | 01:27 | — |
| C2.5 | 00:01 | 00:13 | 00:26 | — |