Solar flares — December 27, 2025
The strongest solar flare in the day
Flare of C9.8 level (normal) — in 17:33
Solar activity index
Value for Dec 27, 2025 24:00 (end on the day) . The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 26, 2025 to Dec 27, 2025
Time zone — UTC-05 (Barrie)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 27, 2025
Total number of flares of class C and higher – 9 flares
C type — 9 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C9.8
|
17:14 | 17:33 | 17:50 | 4317 |
|
C2.4
|
16:43 | 16:48 | 16:55 | 4324 |
|
C2.9
|
10:35 | 10:50 | 11:09 | 4325 |
|
C3.2
|
09:11 | 09:15 | 09:19 | 4324 |
|
C3.7
|
08:22 | 08:29 | 08:32 | 4324 |
|
C2.5
|
05:24 | 05:29 | 05:36 | 4321 |
|
C4.5
|
02:44 | 02:58 | 03:16 | 4317 |
|
C2.8
|
01:40 | 01:47 | 01:50 | 4324 |
|
C3.7
|
00:32 | 00:39 | 00:41 | 4324 |