Solar flares on May 16, 2023
The most powerful solar flare in 24 hours
M9.6 (strong) flare - May 16 at 4:43 PM
Solar activity index
Value as of the end of the day on May 16, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 15, 2023 to May 16, 2023
Time zone — UTC+00
List of solar flares for May 16, 2023
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 22:20 | 22:42 | 23:21 | — |
| C1.9 | 21:30 | 21:49 | 22:11 | 3305 |
| C1.5 | 19:58 | 20:10 | 20:28 | 3305 |
| C1.0 | 19:26 | 19:36 | 19:46 | 3305 |
| M9.6 | 16:31 | 16:43 | 16:51 | — |
| C1.0 | 15:35 | 15:42 | 15:49 | — |
| C1.5 | 13:39 | 13:43 | 13:47 | — |
| C4.5 | 12:00 | 12:14 | 12:34 | — |
| C2.0 | 09:42 | 09:54 | 10:11 | — |
| C1.2 | 04:40 | 04:44 | 04:48 | 3305 |
| C1.3 | 04:21 | 04:31 | 04:40 | 3305 |