Solar flares — Dec 09, 2025
The strongest solar flare in the day
Flare of M2.0 level (strong) — in 00:58
Solar activity index
Value for Dec 09, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 08, 2025 to Dec 09, 2025
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 09, 2025
Total number of flares of class C and higher — 25 flares
C type — 20 | M type — 5 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
M1.5
|
23:13 | 23:27 | 23:36 | 4294 |
|
C3.7
|
22:32 | 22:38 | 22:43 | 4305 |
|
C5.0
|
21:30 | 21:42 | 22:03 | 4294 |
|
C3.4
|
20:53 | 21:09 | 21:21 | 4294 |
|
C3.9
|
18:51 | 19:12 | 19:31 | 4294 |
|
C3.8
|
17:18 | 17:24 | 17:27 | 4294 |
|
C3.8
|
17:10 | 17:15 | 17:18 | 4294 |
|
C3.7
|
16:52 | 17:02 | 17:10 | 4294 |
|
M1.5
|
15:00 | 15:14 | 15:20 | 4294 |
|
C5.6
|
13:27 | 13:35 | 13:43 | 4294 |
|
C4.8
|
13:15 | 13:25 | 13:27 | 4294 |
|
C4.48
|
12:37 | 12:46 | 12:53 | — |
|
C3.9
|
12:35 | 12:41 | 12:55 | 4294 |
|
C6.0
|
11:58 | 12:06 | 12:10 | 4294 |
|
C4.0
|
11:48 | 11:55 | 11:58 | 4294 |
|
C2.7
|
11:29 | 11:42 | 11:48 | 4294 |
|
C4.2
|
09:56 | 10:04 | 10:08 | 4294 |
|
M1.6
|
07:41 | 07:47 | 07:51 | 4294 |
|
C3.1
|
05:32 | 05:39 | 05:43 | — |
|
C2.5
|
02:34 | 02:36 | 02:39 | — |
|
C6.74
|
02:06 | 02:10 | 02:12 | — |
|
C8.0
|
01:47 | 01:52 | 01:55 | 4294 |
|
M1.1
|
01:34 | 01:38 | 01:42 | 4294 |
|
M2.0
|
00:37 | 00:58 | 01:17 | 4299 |
|
C4.6
|
00:19 | 00:30 | 00:37 | 4299 |