Solar flares — Aug 12, 2025
The strongest solar flare in the day
Flare of M1.8 level (strong) — in 02:23
Solar activity index
Value for Aug 12, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Aug 11, 2025 to Aug 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 Aug 12, 2025
Total number of flares of class C and higher — 16 flares
C type — 14 | M type — 2 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.1
|
22:32 | 22:35 | 22:37 | — |
|
C8.3
|
19:09 | 19:43 | 20:09 | 4172 |
|
C4.0
|
17:13 | 17:24 | 17:37 | 4172 |
|
C5.0
|
13:51 | 13:55 | 13:58 | 4172 |
|
C6.1
|
13:03 | 13:18 | 13:39 | — |
|
C7.7
|
12:47 | 12:53 | 12:55 | — |
|
C4.3
|
07:32 | 07:41 | 07:54 | — |
|
C3.7
|
06:00 | 06:11 | 06:22 | — |
|
C5.8
|
05:23 | 05:29 | 05:33 | — |
|
C5.1
|
05:13 | 05:20 | 05:23 | — |
|
C3.3
|
04:58 | 05:05 | 05:13 | — |
|
C7.7
|
04:32 | 04:38 | 04:42 | — |
|
M1.8
|
02:18 | 02:23 | 02:27 | — |
|
M1.5
|
01:42 | 01:59 | 02:18 | — |
|
C4.1
|
01:30 | 01:34 | 01:38 | — |
|
C4.4
|
01:00 | 01:08 | 01:11 | — |