Solar flares — Jul 23, 2001
The strongest solar flare in the day
      
      Flare of C5.0 level (normal) — in 07:23
    
      Solar activity index
Value for Jul 23, 2001 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Jul 22, 2001 to Jul 23, 2001
Time zone — UTC+01 (London) - summer time

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Jul 23, 2001
Total number of flares of class C and higher — 8 flares
C type — 8 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
| 
             
              
              C1.3
             
           | 
          23:37 | 23:41 | 23:44 | 9543 | 
| 
             
              
              C1.2
             
           | 
          22:55 | 22:57 | 23:03 | — | 
| 
             
              
              C1.0
             
           | 
          22:03 | 22:07 | 22:09 | — | 
| 
             
              
              C1.4
             
           | 
          19:15 | 19:28 | 19:32 | 9543 | 
| 
             
              
              C1.0
             
           | 
          18:11 | 18:15 | 18:18 | — | 
| 
             
              
              C3.9
             
           | 
          15:22 | 15:26 | 15:28 | — | 
| 
             
              
              C1.6
             
           | 
          14:09 | 14:12 | 14:19 | 9545 | 
| 
             
              
              C5.0
             
           | 
          07:19 | 07:23 | 07:25 | 9545 | 
