Solar flares — Dec 31, 2021
The strongest solar flare in the day
Flare of C4.5 level (normal) — in 06:41
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 — 2 flares
C type — 2 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C4.5
|
06:26 | 06:41 | 06:46 | 2918 |
|
C1.9
|
04:44 | 04:54 | 05:07 | 2918 |