Solar flares — Mar 13, 2025
The strongest solar flare in the day
      
      Flare of C7.9 level (normal) — in 19:35
    
      Solar activity index
Value for Mar 13, 2025 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Mar 12, 2025 to Mar 13, 2025
Time zone — UTC+00 (London)

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Mar 13, 2025
Total number of flares of class C and higher — 12 flares
C type — 12 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
| 
              
              C2.5
             | 21:59 | 22:21 | 22:24 | 4021 | 
| 
              
              C7.9
             | 19:15 | 19:35 | 19:53 | 4019 | 
| 
              
              C3.7
             | 18:10 | 18:13 | 18:18 | — | 
| 
              
              C4.3
             | 17:13 | 17:42 | 18:06 | — | 
| 
              
              C1.5
             | 12:34 | 12:59 | 13:07 | 4019 | 
| 
              
              C3.9
             | 08:05 | 08:14 | 08:18 | 4018 | 
| 
              
              C6.8
             | 07:40 | 07:52 | 07:59 | 4012 | 
| 
              
              C1.8
             | 04:28 | 04:35 | 04:44 | 4028 | 
| 
              
              C1.7
             | 04:08 | 04:16 | 04:26 | 4019 | 
| 
              
              C1.7
             | 02:41 | 02:52 | 03:00 | 4019 | 
| 
              
              C1.9
             | 01:59 | 02:05 | 02:21 | 4018 | 
| 
              
              C1.6
             | 01:20 | 01:28 | 01:38 | 4027 | 
