Solar flares on June 11, 2025
The most powerful solar flare in 24 hours
C8.5 (normal) flare - June 11 at 7:11 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+00
List of solar flares for June 11, 2025
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.2 | 23:38 | 23:46 | 23:48 | 4107 |
| C3.2 | 22:43 | 22:51 | 22:57 | — |
| C3.4 | 20:33 | 20:41 | 20:48 | 4107 |
| C8.5 | 19:07 | 19:11 | 19:13 | 4115 |
| C6.3 | 15:44 | 15:52 | 15:56 | 4105 |
| C2.5 | 12:23 | 12:32 | 12:44 | 4105 |
| C1.6 | 11:25 | 11:34 | 11:36 | 4107 |
| C1.6 | 11:06 | 11:18 | 11:25 | 4107 |
| C1.5 | 08:57 | 09:05 | 09:11 | 4107 |
| C2.1 | 08:38 | 08:44 | 08:48 | 4107 |
| C1.8 | 02:09 | 02:19 | 02:26 | 4107 |