Solar flares — Dec 10, 2025
The strongest solar flare in the day
Flare of M4.4 level (strong) — in 22:08
Solar activity index
Value for Dec 10, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 09, 2025 to Dec 10, 2025
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 10, 2025
Total number of flares of class C and higher — 21 flares
C type — 16 | M type — 5 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C4.88
|
22:58 | 23:05 | 23:07 | — |
|
M4.4
|
21:58 | 22:08 | 22:14 | 4294 |
|
C2.7
|
20:19 | 20:24 | 20:34 | 4294 |
|
C2.7
|
19:58 | 20:04 | 20:07 | 4294 |
|
C3.7
|
19:18 | 19:28 | 19:36 | 4296 |
|
C3.4
|
14:56 | 15:05 | 15:14 | 4298 |
|
M1.6
|
13:32 | 13:43 | 13:49 | 4294 |
|
C4.14
|
10:22 | 10:33 | 10:43 | — |
|
C4.1
|
10:22 | 10:29 | 10:43 | 4294 |
|
M1.0
|
09:46 | 09:55 | 10:02 | — |
|
M1.9
|
07:31 | 07:37 | 07:42 | 4294 |
|
C2.5
|
07:23 | 07:29 | 07:31 | 4304 |
|
C2.0
|
07:00 | 07:04 | 07:07 | 4294 |
|
C3.6
|
06:15 | 06:26 | 06:34 | 4294 |
|
C3.1
|
05:33 | 05:38 | 05:43 | 4294 |
|
C4.1
|
04:57 | 05:03 | 05:07 | 4296 |
|
M1.2
|
04:17 | 04:22 | 04:27 | 4294 |
|
C9.5
|
03:17 | 03:24 | 03:30 | 4296 |
|
C6.5
|
03:05 | 03:13 | 03:17 | 4299 |
|
C8.0
|
02:31 | 02:47 | 02:54 | 4294 |
|
C7.8
|
01:20 | 01:25 | 01:30 | 4294 |