Solar flares — Jun 11, 2025
The strongest solar flare in the day
      
      Flare of C8.5 level (normal) — in 20:11
    
      Solar activity index
Value for Jun 11, 2025 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Jun 10, 2025 to Jun 11, 2025
Time zone — UTC+01 (London) - summer time

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Jun 11, 2025
Total number of flares of class C and higher — 11 flares
C type — 11 | M type — 0 | X type — 0
| start | maximum | 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 | 
| 
              
              C3.9
             | 16:24 | 16:40 | 16:44 | 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 | 
