Solar flares — Nov 20, 2025
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The strongest solar flare in the day
Flare of C2.3 level (normal) — in 10:04
Solar activity index
Value for Nov 20, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Nov 19, 2025 to Nov 20, 2025
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Nov 20, 2025
Total number of flares of class C and higher — 8 flares
C type — 8 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.3
|
09:59 | 10:04 | 10:09 | 4286 |
|
C1.8
|
09:21 | 09:28 | 09:34 | 4284 |
|
C1.8
|
07:54 | 08:23 | 09:08 | — |
|
C1.3
|
07:23 | 07:32 | 07:36 | — |
|
C1.6
|
04:00 | 04:11 | 04:19 | — |
|
C1.4
|
03:39 | 03:57 | 04:00 | — |
|
C1.1
|
03:24 | 03:35 | 03:39 | — |
|
C1.0
|
03:04 | 03:14 | 03:24 | — |