Solar flares — Mar 20, 2003
The strongest solar flare in the day
      
      Flare of M1.5 level (strong) — in 11:31
    
      Solar activity index
Value for Mar 20, 2003 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Mar 19, 2003 to Mar 20, 2003
Time zone — UTC+00 (London)

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Mar 20, 2003
Total number of flares of class C and higher — 2 flares
C type — 1 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
| 
             
              
              M1.5
             
           | 
          11:25 | 11:31 | 11:37 | 314 | 
| 
             
              
              C9.2
             
           | 
          02:21 | 02:31 | 02:34 | 314 | 
