Solar flares on October 30, 2021
The most powerful solar flare in 24 hours
C3.1 (normal) flare - October 30 at 11:29 AM
Solar activity index
Value as of the end of the day on October 30, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 29, 2021 to October 30, 2021
Time zone — UTC-04 (Louisville) — summer time
List of solar flares for October 30, 2021
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 |
|---|---|---|---|---|
| C1.7 | 23:20 | 23:24 | 23:30 | 2891 |
| C1.0 | 17:22 | 17:29 | 17:35 | 2887 |
| C1.2 | 12:18 | 12:21 | 12:25 | 2891 |
| C3.1 | 11:12 | 11:29 | 11:38 | 2891 |
| C1.6 | 05:47 | 05:53 | 05:58 | 2891 |
| C1.0 | 05:14 | 05:22 | 05:32 | 2891 |