Solar flares — Jan 13, 2003
The strongest solar flare in the day
      
      Flare of C4.2 level (normal) — in 16:15
    
      Solar activity index
Value for Jan 13, 2003 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Jan 12, 2003 to Jan 13, 2003
Time zone — UTC+00 (London)

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Jan 13, 2003
Total number of flares of class C and higher — 7 flares
C type — 7 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
| 
             
              
              C2.1
             
           | 
          22:05 | 22:40 | 23:03 | — | 
| 
             
              
              C4.2
             
           | 
          15:57 | 16:15 | 16:38 | 244 | 
| 
             
              
              C3.1
             
           | 
          14:06 | 14:11 | 14:16 | — | 
| 
             
              
              C2.4
             
           | 
          12:57 | 13:05 | 13:12 | — | 
| 
             
              
              C1.0
             
           | 
          06:33 | 06:37 | 06:41 | — | 
| 
             
              
              C1.7
             
           | 
          04:49 | 04:53 | 04:57 | 254 | 
| 
             
              
              C1.3
             
           | 
          04:35 | 04:43 | 04:49 | 250 | 
