Solar flares — Jan 20, 2000
The strongest solar flare in the day
      
      Flare of C4.1 level (normal) — in 02:26
    
      Solar activity index
Value for Jan 20, 2000 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Jan 19, 2000 to Jan 20, 2000
Time zone — UTC+00 (London)

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Jan 20, 2000
Total number of flares of class C and higher — 4 flares
C type — 4 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
| 
             
              
              C2.6
             
           | 
          22:16 | 22:20 | 22:22 | — | 
| 
             
              
              C1.6
             
           | 
          20:59 | 21:02 | 21:07 | — | 
| 
             
              
              C1.8
             
           | 
          03:59 | 04:04 | 04:08 | — | 
| 
             
              
              C4.1
             
           | 
          02:21 | 02:26 | 02:30 | — | 
