Solar flares on May 31, 2023
The most powerful solar flare in 24 hours
M1.3 (strong) flare - May 31 at 6:38 AM
Solar activity index
Value as of the end of the day on May 31, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 30, 2023 to May 31, 2023
Time zone — UTC+02 (Vienna) — summer time
List of solar flares for May 31, 2023
The total number of solar flares of class C and higher — 18 flares
C class — 16 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.8 | 22:40 | 22:48 | 23:02 | 3323 |
| C9.6 | 21:53 | 22:10 | 22:27 | 3323 |
| C3.5 | 18:44 | 18:49 | 18:53 | — |
| C2.5 | 18:09 | 18:20 | 18:36 | 3315 |
| C2.1 | 17:43 | 17:47 | 17:51 | — |
| C2.8 | 16:55 | 17:00 | 17:09 | — |
| C2.9 | 15:29 | 15:33 | 15:43 | — |
| M1.0 | 14:23 | 14:26 | 14:30 | 3319 |
| C5.3 | 12:50 | 13:03 | 13:22 | — |
| C2.7 | 12:10 | 12:20 | 12:35 | — |
| C6.1 | 10:16 | 10:31 | 10:49 | 3323 |
| C4.6 | 09:35 | 09:43 | 09:52 | 3323 |
| C5.7 | 08:01 | 08:09 | 08:15 | 3323 |
| C5.7 | 07:14 | 07:25 | 07:45 | 3319 |
| M1.3 | 06:24 | 06:38 | 06:44 | 3323 |
| C3.8 | 05:38 | 05:47 | 05:59 | 3323 |
| C7.5 | 03:59 | 04:09 | 04:17 | 3323 |
| C4.3 | 02:25 | 03:02 | 03:32 | 3323 |