Solar flares — Oct 23, 2025
The strongest solar flare in the day
Flare of C3.2 level (normal) — in 06:08
Solar activity index
Value for Oct 23, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Oct 22, 2025 to Oct 23, 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 23, 2025
Total number of flares of class C and higher — 7 flares
C type — 7 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.15
|
16:00 | 16:06 | 16:41 | — |
|
C1.3
|
15:46 | 15:50 | 15:54 | — |
|
C1.2
|
15:33 | 15:43 | 15:46 | — |
|
C1.5
|
09:41 | 09:54 | 09:59 | — |
|
C3.2
|
05:56 | 06:08 | 06:15 | 4267 |
|
C2.0
|
05:11 | 05:24 | 05:29 | — |
|
C2.4
|
02:41 | 02:59 | 03:14 | — |