Solar flares on May 13, 2023
The most powerful solar flare in 24 hours
C9.0 (normal) flare - May 13 at 12:45 AM
Solar activity index
Value as of the end of the day on May 13, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 12, 2023 to May 13, 2023
Time zone — UTC+00
List of solar flares for May 13, 2023
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.4 | 23:36 | 23:43 | 23:50 | 3296 |
| C2.4 | 22:23 | 22:33 | 22:46 | 3301 |
| C2.3 | 21:26 | 21:31 | 21:39 | 3297 |
| C4.4 | 20:47 | 20:55 | 21:00 | 3305 |
| C4.3 | 18:35 | 18:47 | 19:00 | 3296 |
| C1.6 | 16:28 | 16:35 | 16:44 | 3296 |
| C2.0 | 14:48 | 14:53 | 14:57 | 3297 |
| C2.1 | 13:41 | 13:51 | 14:02 | 3305 |
| C4.9 | 10:16 | 10:27 | 10:31 | 3296 |
| C9.0 | 23:53 | 00:45 | 01:21 | 3296 |