Solar flares — Jan 18, 2000
The strongest solar flare in the day
      
      Flare of M3.9 level (strong) — in 17:27
    
      Solar activity index
Value for Jan 18, 2000 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Jan 17, 2000 to Jan 18, 2000
Time zone — UTC+00 (London)

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Jan 18, 2000
Total number of flares of class C and higher — 6 flares
C type — 4 | M type — 2 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
| 
             
              
              C4.3
             
           | 
          22:02 | 22:08 | 22:10 | — | 
| 
             
              
              M3.9
             
           | 
          17:07 | 17:27 | 17:44 | 8831 | 
| 
             
              
              M1.2
             
           | 
          09:36 | 10:08 | 10:48 | 8824 | 
| 
             
              
              C1.7
             
           | 
          08:26 | 08:39 | 09:08 | — | 
| 
             
              
              C2.1
             
           | 
          08:14 | 08:19 | 08:23 | 8830 | 
| 
             
              
              C2.2
             
           | 
          02:18 | 02:27 | 02:39 | — | 
