Solar flares on September 16, 2023
The most powerful solar flare in 24 hours
M3.3 (strong) flare - September 16 at 1:38 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-04 (Windsor) — summer time
List of solar flares for September 16, 2023
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 09:13 | 09:19 | 09:33 | 3429 |
| C2.1 | 07:56 | 08:05 | 08:13 | 3429 |
| C2.6 | 03:36 | 03:40 | 03:44 | 3429 |
| C2.1 | 03:06 | 03:11 | 03:16 | 3429 |
| M3.3 | 01:30 | 01:38 | 01:51 | 3429 |
| C5.0 | 01:09 | 01:24 | 01:30 | — |