Solar flares — Dec 31, 2025
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The strongest solar flare in the day
Flare of M7.1 level (strong) — in 13:51
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+00 (London)
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 — 7 flares
C type — 6 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
M7.1
|
13:12 | 13:51 | 14:11 | 4324 |
|
C1.9
|
12:37 | 12:44 | 12:54 | 4324 |
|
C3.8
|
10:03 | 10:12 | 10:16 | 4324 |
|
C3.6
|
09:42 | 09:52 | 10:03 | 4324 |
|
C2.1
|
06:26 | 06:35 | 06:48 | 4324 |
|
C5.9
|
01:23 | 01:32 | 01:35 | 4325 |
|
C1.8
|
00:23 | 00:27 | 00:30 | 4325 |