Solar flares on October 31, 2023
The most powerful solar flare in 24 hours
C6.9 (normal) flare - October 31 at 8:41 PM
Solar activity index
Value as of the end of the day on October 31, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 30, 2023 to October 31, 2023
Time zone — UTC-04 (Lansing) — summer time
List of solar flares for October 31, 2023
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.9 | 20:20 | 20:41 | 21:08 | — |
| C5.0 | 17:49 | 17:58 | 18:02 | 3474 |
| C3.9 | 16:16 | 16:24 | 16:29 | 3477 |
| C1.3 | 11:02 | 11:06 | 11:10 | — |
| C2.0 | 03:36 | 03:50 | 04:00 | 3473 |