Solar flares — Dec 23, 2025
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The strongest solar flare in the day
Flare of C1.6 level (normal) — in 01:50
Solar activity index
Value for Dec 23, 2025 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Dec 22, 2025 to Dec 23, 2025
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 23, 2025
Total number of flares of class C and higher — 5 flares
C type — 5 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.1
|
15:20 | 15:29 | 15:44 | 4317 |
|
C1.5
|
09:45 | 09:56 | 10:04 | 4317 |
|
C1.2
|
09:16 | 09:24 | 09:33 | 4316 |
|
C1.6
|
01:37 | 01:50 | 02:02 | 4317 |
|
C1.2
|
00:03 | 00:11 | 00:17 | 4317 |
