Solar flares — Aug 23, 2025
The strongest solar flare in the day
Flare of M1.9 level (strong) — in 21:06
Solar activity index
Value for Aug 23, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Aug 22, 2025 to Aug 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 Aug 23, 2025
Total number of flares of class C and higher — 9 flares
C type — 8 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C5.5
|
23:41 | 23:56 | 00:04 | — |
|
M1.9
|
20:53 | 21:06 | 21:16 | — |
|
C9.1
|
20:01 | 20:22 | 20:40 | 4191 |
|
C2.6
|
16:12 | 16:16 | 16:19 | — |
|
C3.0
|
15:48 | 15:54 | 16:01 | — |
|
C3.2
|
14:19 | 14:32 | 14:50 | 4191 |
|
C1.9
|
13:47 | 13:52 | 13:56 | 4191 |
|
C2.3
|
12:29 | 12:35 | 12:40 | — |
|
C2.8
|
07:23 | 07:29 | 07:34 | 4191 |