Solar flares on May 27, 2025
The most powerful solar flare in 24 hours
C9.8 (normal) flare - May 27 at 12:50 AM
Solar activity index
Value as of the end of the day on May 27, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 26, 2025 to May 27, 2025
Time zone — UTC+02 (Brussels) — summer time
List of solar flares for May 27, 2025
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 23:31 | 23:38 | 23:45 | 4100 |
| C5.0 | 09:43 | 12:11 | 13:59 | 4100 |
| C2.3 | 08:52 | 09:00 | 09:03 | 4100 |
| C1.4 | 03:36 | 03:41 | 03:44 | 4098 |
| C1.2 | 03:15 | 03:20 | 03:24 | 4100 |
| C9.8 | 00:31 | 00:50 | 01:03 | 4098 |