Solar flares — Dec 20, 2002
The strongest solar flare in the day
      
      Flare of M6.8 level (strong) — in 13:18
    
      Solar activity index
Value for Dec 20, 2002 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Dec 19, 2002 to Dec 20, 2002
Time zone — UTC+00 (London)

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Dec 20, 2002
Total number of flares of class C and higher — 12 flares
C type — 11 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
| 
             
              
              C2.0
             
           | 
          23:17 | 23:21 | 23:24 | 226 | 
| 
             
              
              C1.7
             
           | 
          23:01 | 23:04 | 23:07 | 226 | 
| 
             
              
              C7.2
             
           | 
          20:10 | 20:14 | 20:16 | 226 | 
| 
             
              
              C3.5
             
           | 
          18:57 | 19:04 | 19:06 | — | 
| 
             
              
              M6.8
             
           | 
          13:13 | 13:18 | 13:20 | 226 | 
| 
             
              
              C4.2
             
           | 
          12:47 | 12:53 | 12:57 | — | 
| 
             
              
              C2.7
             
           | 
          11:25 | 11:28 | 11:30 | — | 
| 
             
              
              C8.5
             
           | 
          08:20 | 08:33 | 08:45 | 226 | 
| 
             
              
              C1.9
             
           | 
          07:57 | 08:02 | 08:07 | 226 | 
| 
             
              
              C1.6
             
           | 
          05:36 | 05:41 | 05:55 | 230 | 
| 
             
              
              C1.4
             
           | 
          01:42 | 01:45 | 01:47 | 230 | 
| 
             
              
              C4.5
             
           | 
          00:32 | 00:37 | 00:42 | 226 | 
