Solar flares — Dec 29, 2021
The strongest solar flare in the day
Flare of C4.6 level (normal) — in 04:28
Solar activity index
Value for Dec 29, 2021 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Dec 28, 2021 to Dec 29, 2021
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 29, 2021
Total number of flares of class C and higher — 4 flares
C type — 1 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
B6.8
|
23:12 | 23:28 | 23:40 | 2918 |
B5.5
|
21:43 | 21:49 | 21:54 | 2921 |
B5.1
|
12:32 | 12:40 | 12:57 | 2916 |
C4.6
|
04:18 | 04:28 | 04:32 | 2916 |