Solar flares — Oct 12, 2025
The strongest solar flare in the day
Flare of C9.6 level (normal) — in 14:50
Solar activity index
Value for Oct 12, 2025 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Oct 11, 2025 to Oct 12, 2025
Time zone — UTC+01 (London) - summer time

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Oct 12, 2025
Total number of flares of class C and higher — 15 flares
C type — 15 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C4.4
|
22:18 | 22:37 | 22:51 | 4246 |
C2.4
|
21:50 | 22:02 | 22:10 | 4246 |
C2.4
|
20:56 | 21:01 | 21:04 | 4246 |
C2.3
|
20:43 | 20:52 | 20:56 | 4246 |
C2.0
|
20:33 | 20:39 | 20:43 | 4250 |
C2.7
|
18:31 | 18:39 | 18:45 | 4246 |
C3.3
|
16:14 | 16:22 | 16:28 | 4246 |
C9.6
|
14:18 | 14:50 | 15:26 | 4246 |
C1.7
|
13:42 | 13:46 | 13:49 | 4246 |
C1.9
|
13:30 | 13:36 | 13:42 | 4246 |
C1.7
|
13:00 | 13:07 | 13:10 | 4241 |
C1.9
|
12:12 | 12:22 | 12:32 | 4248 |
C1.6
|
11:38 | 11:43 | 11:55 | 4246 |
C1.0
|
07:27 | 07:30 | 07:35 | 4246 |
C1.5
|
03:19 | 03:47 | 03:56 | 4246 |