Solar flares on October 21, 2022
The most powerful solar flare in 24 hours
C4.1 (normal) flare - October 21 at 11:03 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-04 (Lansing) — 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 |
|---|---|---|---|---|
| C4.1 | 22:44 | 23:03 | 23:20 | 3125 |
| C2.2 | 21:25 | 21:38 | 21:57 | — |
| C1.3 | 20:45 | 21:08 | 21:25 | — |
| C2.9 | 03:07 | 03:17 | 03:27 | — |
| C2.5 | 02:01 | 02:13 | 02:26 | — |
| C1.6 | 00:26 | 00:33 | 00:45 | — |