Solar flares — Dec 24, 2025
The strongest solar flare in the day
Flare of C4.9 level (normal) — in 10:21
Solar activity index
Value for Dec 24, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 23, 2025 to Dec 24, 2025
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 24, 2025
Total number of flares of class C and higher — 2 flares
C type — 2 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.76
|
23:08 | 23:13 | 23:19 | — |
|
C4.9
|
10:07 | 10:21 | 11:13 | 4317 |