Solar flares on June 11, 2025
The most powerful solar flare in 24 hours
C8.5 (normal) flare - June 11 at 8:11 PM
Solar activity index
Value as of the end of the day on June 11, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 10, 2025 to June 11, 2025
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for June 11, 2025
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 |
|---|---|---|---|---|
| C3.2 | 23:43 | 23:51 | 23:57 | — |
| C3.4 | 21:33 | 21:41 | 21:48 | 4107 |
| C8.5 | 20:07 | 20:11 | 20:13 | 4115 |
| C6.3 | 16:44 | 16:52 | 16:56 | 4105 |
| C2.5 | 13:23 | 13:32 | 13:44 | 4105 |
| C1.6 | 12:25 | 12:34 | 12:36 | 4107 |
| C1.6 | 12:06 | 12:18 | 12:25 | 4107 |
| C1.5 | 09:57 | 10:05 | 10:11 | 4107 |
| C2.1 | 09:38 | 09:44 | 09:48 | 4107 |
| C1.8 | 03:09 | 03:19 | 03:26 | 4107 |