Solar flares — Aug 20, 2025
The strongest solar flare in the day
Flare of C2.8 level (normal) — in 10:36
Solar activity index
Value for Aug 20, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Aug 19, 2025 to Aug 20, 2025
Time zone — UTC+01 (London) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Aug 20, 2025
Total number of flares of class C and higher — 3 flares
C type — 3 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.3
|
10:52 | 10:57 | 11:01 | — |
|
C2.8
|
10:24 | 10:36 | 10:52 | — |
|
C2.5
|
03:18 | 03:39 | 03:49 | — |