Solar flares on October 21, 2022
The most powerful solar flare in 24 hours
C2.9 (normal) flare - October 21 at 8:17 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+01 (Dublin) — 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 |
|---|---|---|---|---|
| C2.9 | 08:07 | 08:17 | 08:27 | — |
| C2.5 | 07:01 | 07:13 | 07:26 | — |
| C1.6 | 05:26 | 05:33 | 05:45 | — |
| C1.1 | 04:16 | 04:24 | 04:31 | — |
| C1.2 | 03:05 | 03:14 | 03:25 | — |
| C2.4 | 02:07 | 02:14 | 02:19 | — |