Solar flares on September 30, 2023
The most powerful solar flare in 24 hours
M2.5 (strong) flare - September 30 at 7:32 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-06 (Dawson) — summer time
List of solar flares for September 30, 2023
The total number of solar flares of class C and higher — 19 flares
C class — 17 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 23:10 | 23:15 | 23:21 | 3450 |
| C9.3 | 21:21 | 21:24 | 21:30 | 3445 |
| M2.5 | 19:10 | 19:32 | 19:43 | 3452 |
| C3.0 | 19:02 | 19:06 | 19:10 | 3450 |
| C3.1 | 18:40 | 18:45 | 18:51 | 3452 |
| C2.8 | 17:41 | 17:55 | 18:12 | — |
| C6.6 | 15:39 | 15:45 | 15:52 | 3450 |
| C6.2 | 15:18 | 15:38 | 15:39 | 3452 |
| C2.7 | 14:26 | 14:37 | 14:56 | 3451 |
| C4.7 | 12:15 | 12:25 | 12:34 | 3451 |
| M1.2 | 10:16 | 10:35 | 10:49 | 3451 |
| C6.3 | 09:57 | 10:07 | 10:14 | 3451 |
| C5.1 | 08:35 | 08:44 | 08:57 | 3450 |
| C3.9 | 08:05 | 08:18 | 08:32 | 3447 |
| C4.9 | 06:23 | 06:29 | 06:36 | 3451 |
| C9.6 | 05:51 | 05:57 | 06:06 | 3445 |
| C2.6 | 04:40 | 04:46 | 04:56 | 3451 |
| C2.4 | 00:51 | 00:56 | 01:02 | 3451 |
| C8.0 | 23:56 | 00:00 | 00:06 | 3445 |