Solar flares on September 30, 2023
The most powerful solar flare in 24 hours
C9.6 (normal) flare - September 30 at 9:57 PM
Solar activity index
Value as of the end of the day on September 30, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 29, 2023 to September 30, 2023
Time zone — UTC+10 (Melbourne)
List of solar flares for September 30, 2023
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.9 | 22:23 | 22:29 | 22:36 | 3451 |
| C9.6 | 21:51 | 21:57 | 22:06 | 3445 |
| C2.6 | 20:40 | 20:46 | 20:56 | 3451 |
| C2.4 | 16:51 | 16:56 | 17:02 | 3451 |
| C8.0 | 15:56 | 16:00 | 16:06 | 3445 |
| C4.2 | 10:55 | 11:15 | 11:28 | 3451 |
| C2.4 | 10:38 | 10:48 | 10:55 | 3445 |
| C3.9 | 08:17 | 08:28 | 08:38 | 3449 |
| C1.8 | 07:49 | 07:58 | 08:05 | — |
| C5.0 | 05:58 | 06:08 | 06:22 | 3449 |
| C7.5 | 04:11 | 04:24 | 04:39 | — |
| C2.3 | 03:14 | 03:25 | 03:32 | — |