Solar flares — Dec 29, 2025
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The strongest solar flare in the day
Flare of M2.21 level (strong) — in 00:02
Solar activity index
Value for Dec 29, 2025 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Dec 28, 2025 to Dec 29, 2025
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 29, 2025
Total number of flares of class C and higher — 14 flares
C type — 12 | M type — 2 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C6.4
|
20:36 | 20:40 | 20:43 | 4317 |
|
C3.3
|
18:16 | 18:27 | 18:32 | 4324 |
|
C3.5
|
18:03 | 18:11 | 18:16 | 4324 |
|
C3.3
|
16:30 | 16:35 | 16:42 | 4324 |
|
C3.0
|
13:10 | 13:14 | 13:18 | 4324 |
|
C2.7
|
12:10 | 12:19 | 12:24 | 4325 |
|
C3.8
|
09:43 | 09:47 | 09:52 | 4325 |
|
C4.3
|
08:07 | 08:17 | 08:28 | 4325 |
|
C2.6
|
07:57 | 08:03 | 08:07 | 4325 |
|
C2.6
|
07:23 | 07:31 | 07:36 | 4331 |
|
M1.0
|
06:34 | 06:51 | 06:56 | 4325 |
|
C8.9
|
02:58 | 03:05 | 03:10 | 4317 |
|
C4.8
|
01:19 | 01:28 | 01:32 | 4325 |
|
M2.21
|
23:57 | 00:02 | 00:07 | — |
