Solar flares — Dec 25, 2011
The strongest solar flare in the day
      
      Flare of M4.0 level (strong) — in 18:16
    
      Solar activity index
Value for Dec 25, 2011 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Dec 24, 2011 to Dec 25, 2011
Time zone — UTC+00 (London)

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Dec 25, 2011
Total number of flares of class C and higher — 6 flares
C type — 5 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
| 
             
              
              C7.7
             
           | 
          20:23 | 20:29 | 20:33 | 1387 | 
| 
             
              
              M4.0
             
           | 
          18:11 | 18:16 | 18:20 | 1387 | 
| 
             
              
              C2.2
             
           | 
          16:55 | 17:01 | 17:08 | — | 
| 
             
              
              C8.4
             
           | 
          11:20 | 11:26 | 11:31 | 1387 | 
| 
             
              
              C5.5
             
           | 
          08:49 | 08:55 | 09:01 | 1387 | 
| 
             
              
              C1.6
             
           | 
          04:47 | 04:52 | 04:55 | 1387 | 
