Solar flares — Oct 25, 2021
The strongest solar flare in the day
Flare of C8.5 level (normal) — in 19:56
Solar activity index
Value for Oct 25, 2021 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Oct 24, 2021 to Oct 25, 2021
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Oct 25, 2021
Total number of flares of class C and higher — 9 flares
C type — 3 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C1.6
|
23:31 | 23:34 | 23:38 | — |
C4.4
|
21:55 | 22:03 | 22:16 | — |
C8.5
|
19:47 | 19:56 | 20:01 | — |
B5.0
|
18:34 | 18:41 | 18:48 | 2887 |
B6.5
|
16:35 | 16:38 | 16:42 | 2890 |
B5.4
|
16:20 | 16:23 | 16:29 | 2887 |
B6.3
|
06:10 | 06:21 | 06:30 | 2887 |
B4.3
|
05:26 | 05:36 | 05:47 | 2887 |
B4.5
|
02:29 | 02:37 | 02:49 | 2887 |