Solar flares on September 30, 2023
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 30 at 4:35 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+00
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 |
|---|---|---|---|---|
| C2.8 | 23:41 | 23:55 | 00:12 | — |
| C6.6 | 21:39 | 21:45 | 21:52 | 3450 |
| C6.2 | 21:18 | 21:38 | 21:39 | 3452 |
| C2.7 | 20:26 | 20:37 | 20:56 | 3451 |
| C4.7 | 18:15 | 18:25 | 18:34 | 3451 |
| M1.2 | 16:16 | 16:35 | 16:49 | 3451 |
| C6.3 | 15:57 | 16:07 | 16:14 | 3451 |
| C5.1 | 14:35 | 14:44 | 14:57 | 3450 |
| C3.9 | 14:05 | 14:18 | 14:32 | 3447 |
| C4.9 | 12:23 | 12:29 | 12:36 | 3451 |
| C9.6 | 11:51 | 11:57 | 12:06 | 3445 |
| C2.6 | 10:40 | 10:46 | 10:56 | 3451 |
| C2.4 | 06:51 | 06:56 | 07:02 | 3451 |
| C8.0 | 05:56 | 06:00 | 06:06 | 3445 |
| C4.2 | 00:55 | 01:15 | 01:28 | 3451 |
| C2.4 | 00:38 | 00:48 | 00:55 | 3445 |