Solar flares — Nov 21, 2025
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The strongest solar flare in the day
Flare of C3.8 level (normal) — in 13:30
Solar activity index
Value for Nov 21, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Nov 20, 2025 to Nov 21, 2025
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Nov 21, 2025
Total number of flares of class C and higher — 10 flares
C type — 10 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.6
|
17:45 | 17:50 | 17:53 | — |
|
C3.8
|
13:21 | 13:30 | 13:33 | — |
|
C1.0
|
11:56 | 12:00 | 12:04 | 4284 |
|
C1.0
|
07:55 | 08:03 | 08:11 | 4284 |
|
C1.3
|
05:18 | 05:36 | 05:56 | — |
|
C1.1
|
04:19 | 04:25 | 04:30 | 4287 |
|
C1.1
|
02:58 | 03:02 | 03:06 | 4288 |
|
C1.1
|
02:35 | 02:45 | 02:58 | 4288 |
|
C1.1
|
00:49 | 00:55 | 01:03 | 4284 |
|
C1.1
|
00:37 | 00:41 | 00:47 | 4284 |