Solar flares — Dec 31, 2021
The strongest solar flare in the day
Flare of C9.8 level (normal) — in 06:56
Solar activity index
Value for Dec 31, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 30, 2021 to Dec 31, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 31, 2021
Total number of flares of class C and higher — 11 flares
C type — 5 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B6.2
|
22:32 | 22:37 | 22:43 | 2918 |
|
C8.1
|
19:32 | 19:46 | 20:02 | 2918 |
|
C1.2
|
17:11 | 17:25 | 17:40 | — |
|
B7.8
|
15:58 | 16:11 | 16:22 | 2916 |
|
B4.5
|
12:31 | 12:37 | 12:43 | 2916 |
|
B4.4
|
11:07 | 11:14 | 11:26 | — |
|
B4.6
|
10:02 | 10:05 | 10:10 | 2916 |
|
C9.8
|
06:46 | 06:56 | 07:06 | 2918 |
|
C4.5
|
06:26 | 06:41 | 06:46 | 2918 |
|
C1.9
|
04:44 | 04:54 | 05:07 | 2918 |
|
B4.7
|
03:09 | 03:16 | 03:22 | — |