Solar flares on September 16, 2023
The most powerful solar flare in 24 hours
M3.3 (strong) flare - September 16 at 7:38 AM
Solar activity index
Value as of the end of the day on September 16, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 15, 2023 to September 16, 2023
Time zone — UTC+02 (Prague) — summer time
List of solar flares for September 16, 2023
The total number of solar flares of class C and higher — 10 flares
C class — 7 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 15:13 | 15:19 | 15:33 | 3429 |
| C2.1 | 13:56 | 14:05 | 14:13 | 3429 |
| C2.6 | 09:36 | 09:40 | 09:44 | 3429 |
| C2.1 | 09:06 | 09:11 | 09:16 | 3429 |
| M3.3 | 07:30 | 07:38 | 07:51 | 3429 |
| C5.0 | 07:09 | 07:24 | 07:30 | — |
| C1.4 | 05:23 | 05:31 | 05:37 | 3429 |
| M2.9 | 02:38 | 02:50 | 02:57 | 3429 |
| C2.0 | 01:35 | 01:42 | 01:47 | 3429 |
| M1.7 | 00:19 | 00:29 | 00:34 | 3429 |