Solar flares on September 19, 2023
The most powerful solar flare in 24 hours
M4.0 (strong) flare - September 19 at 12:14 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-08 (Dillingham) — summer time
List of solar flares for September 19, 2023
The total number of solar flares of class C and higher — 11 flares
C class — 9 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 22:38 | 22:52 | 23:08 | 3429 |
| C3.0 | 20:27 | 20:37 | 20:46 | — |
| C9.7 | 14:21 | 14:37 | 14:47 | 3435 |
| C2.0 | 13:42 | 13:47 | 13:51 | 3436 |
| C2.7 | 12:59 | 13:09 | 13:15 | 3436 |
| M4.0 | 12:01 | 12:14 | 12:21 | 3435 |
| C2.7 | 09:16 | 09:25 | 09:42 | 3438 |
| C4.2 | 07:39 | 07:52 | 08:08 | 3436 |
| C3.1 | 05:08 | 05:17 | 05:24 | 3435 |
| C5.0 | 02:25 | 02:50 | 03:07 | 3436 |
| M1.8 | 01:23 | 01:38 | 01:44 | 3435 |