Solar flares on May 31, 2025
The most powerful solar flare in 24 hours
M8.1 (strong) flare - May 31 at 3:05 AM
Solar activity index
Value as of the end of the day on May 31, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 30, 2025 to May 31, 2025
Time zone — UTC+03 (Lipetsk)
List of solar flares for May 31, 2025
The total number of solar flares of class C and higher — 13 flares
C class — 8 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 22:00 | 22:06 | 22:08 | 4100 |
| C2.5 | 21:13 | 21:20 | 21:24 | 4100 |
| M2.9 | 18:36 | 18:49 | 18:57 | 4100 |
| C6.5 | 16:21 | 16:28 | 16:30 | 4100 |
| C2.6 | 14:35 | 14:39 | 14:42 | 4100 |
| C3.2 | 13:01 | 13:09 | 13:22 | 4100 |
| M4.5 | 11:08 | 11:18 | 11:23 | 4100 |
| C7.0 | 10:22 | 10:27 | 10:30 | 4100 |
| C5.5 | 09:56 | 10:05 | 10:07 | 4100 |
| M2.4 | 08:12 | 08:18 | 08:20 | 4100 |
| M1.0 | 06:49 | 06:56 | 07:04 | 4100 |
| M8.1 | 02:31 | 03:05 | 04:32 | 4100 |
| C1.5 | 00:36 | 00:44 | 00:50 | 4100 |