Solar flares on September 19, 2023
The most powerful solar flare in 24 hours
M4.0 (strong) flare - September 19 at 10:14 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+02 (Rome) — summer time
List of solar flares for September 19, 2023
The total number of solar flares of class C and higher — 15 flares
C class — 12 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 23:42 | 23:47 | 23:51 | 3436 |
| C2.7 | 22:59 | 23:09 | 23:15 | 3436 |
| M4.0 | 22:01 | 22:14 | 22:21 | 3435 |
| C2.7 | 19:16 | 19:25 | 19:42 | 3438 |
| C4.2 | 17:39 | 17:52 | 18:08 | 3436 |
| C3.1 | 15:08 | 15:17 | 15:24 | 3435 |
| C5.0 | 12:25 | 12:50 | 13:07 | 3436 |
| M1.8 | 11:23 | 11:38 | 11:44 | 3435 |
| M1.1 | 05:45 | 05:55 | 06:01 | 3435 |
| C3.5 | 05:01 | 05:08 | 05:12 | 3429 |
| C3.9 | 04:28 | 04:43 | 05:01 | 3436 |
| C2.8 | 03:43 | 03:53 | 03:57 | 3436 |
| C2.1 | 02:31 | 02:41 | 02:45 | 3437 |
| C4.9 | 01:20 | 01:25 | 01:29 | 3436 |
| C3.3 | 23:59 | 00:06 | 00:13 | 3436 |