Solar flares — Mar 17, 2003
The strongest solar flare in the day
      
      Flare of X1.5 level (very strong) — in 19:05
    
      Solar activity index
Value for Mar 17, 2003 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Mar 16, 2003 to Mar 17, 2003
Time zone — UTC+00 (London)

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Mar 17, 2003
Total number of flares of class C and higher — 7 flares
C type — 6 | M type — 0 | X type — 1
| start | maximum | end | region | |
|---|---|---|---|---|
| 
             
              
              C1.7
             
           | 
          23:52 | 23:56 | 00:00 | 314 | 
| 
             
              
              C6.9
             
           | 
          20:14 | 20:21 | 20:28 | — | 
| 
             
              
              X1.5
             
           | 
          18:50 | 19:05 | 19:16 | 314 | 
| 
             
              
              C7.7
             
           | 
          16:35 | 16:50 | 17:01 | 314 | 
| 
             
              
              C2.1
             
           | 
          15:18 | 15:51 | 16:10 | — | 
| 
             
              
              C1.8
             
           | 
          01:50 | 01:55 | 01:58 | — | 
| 
             
              
              C3.1
             
           | 
          00:55 | 01:03 | 01:17 | — | 
