Solar flares on May 13, 2023
The most powerful solar flare in 24 hours
C9.0 (normal) flare - May 13 at 3:45 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+03 (Athens)
List of solar flares for May 13, 2023
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.4 | 23:47 | 23:55 | 00:00 | 3305 |
| C4.3 | 21:35 | 21:47 | 22:00 | 3296 |
| C1.6 | 19:28 | 19:35 | 19:44 | 3296 |
| C2.0 | 17:48 | 17:53 | 17:57 | 3297 |
| C2.1 | 16:41 | 16:51 | 17:02 | 3305 |
| C4.9 | 13:16 | 13:27 | 13:31 | 3296 |
| C9.0 | 02:53 | 03:45 | 04:21 | 3296 |
| C1.7 | 01:39 | 01:50 | 02:00 | 3301 |