Solar flares — December 31, 2025
The strongest solar flare in the day
There were no solar flares on this date
Solar activity index
Value for Dec 31, 2025 24:00 (end on the day) . The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 30, 2025 to Dec 31, 2025
Time zone — UTC+11 (Sydney) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 31, 2025
Total number of flares of class C and higher – no
C type — 0 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
There were no solar flares on this date | ||||