Solar flares on September 19, 2023
The most powerful solar flare in 24 hours
M4.0 (strong) flare - September 19 at 8:14 PM
Solar activity index
Value as of the end of the day on September 19, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 18, 2023 to September 19, 2023
Time zone — UTC+00
List of solar flares for September 19, 2023
The total number of solar flares of class C and higher — 14 flares
C class — 11 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.7 | 22:21 | 22:37 | 22:47 | 3435 |
| C2.0 | 21:42 | 21:47 | 21:51 | 3436 |
| C2.7 | 20:59 | 21:09 | 21:15 | 3436 |
| M4.0 | 20:01 | 20:14 | 20:21 | 3435 |
| C2.7 | 17:16 | 17:25 | 17:42 | 3438 |
| C4.2 | 15:39 | 15:52 | 16:08 | 3436 |
| C3.1 | 13:08 | 13:17 | 13:24 | 3435 |
| C5.0 | 10:25 | 10:50 | 11:07 | 3436 |
| M1.8 | 09:23 | 09:38 | 09:44 | 3435 |
| M1.1 | 03:45 | 03:55 | 04:01 | 3435 |
| C3.5 | 03:01 | 03:08 | 03:12 | 3429 |
| C3.9 | 02:28 | 02:43 | 03:01 | 3436 |
| C2.8 | 01:43 | 01:53 | 01:57 | 3436 |
| C2.1 | 00:31 | 00:41 | 00:45 | 3437 |