Solar flares on September 30, 2023
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 30 at 6:35 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+02 (Berlin) — summer time
List of solar flares for September 30, 2023
The total number of solar flares of class C and higher — 16 flares
C class — 15 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.6 | 23:39 | 23:45 | 23:52 | 3450 |
| C6.2 | 23:18 | 23:38 | 23:39 | 3452 |
| C2.7 | 22:26 | 22:37 | 22:56 | 3451 |
| C4.7 | 20:15 | 20:25 | 20:34 | 3451 |
| M1.2 | 18:16 | 18:35 | 18:49 | 3451 |
| C6.3 | 17:57 | 18:07 | 18:14 | 3451 |
| C5.1 | 16:35 | 16:44 | 16:57 | 3450 |
| C3.9 | 16:05 | 16:18 | 16:32 | 3447 |
| C4.9 | 14:23 | 14:29 | 14:36 | 3451 |
| C9.6 | 13:51 | 13:57 | 14:06 | 3445 |
| C2.6 | 12:40 | 12:46 | 12:56 | 3451 |
| C2.4 | 08:51 | 08:56 | 09:02 | 3451 |
| C8.0 | 07:56 | 08:00 | 08:06 | 3445 |
| C4.2 | 02:55 | 03:15 | 03:28 | 3451 |
| C2.4 | 02:38 | 02:48 | 02:55 | 3445 |
| C3.9 | 00:17 | 00:28 | 00:38 | 3449 |