Solar flares — Dec 12, 2021
The strongest solar flare in the day
Flare of C1.2 level (normal) — in 21:14
Solar activity index
Value for Dec 12, 2021 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Dec 11, 2021 to Dec 12, 2021
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 12, 2021
Total number of flares of class C and higher — 5 flares
C type — 1 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C1.2
|
21:09 | 21:14 | 21:22 | — |
B8.3
|
20:56 | 21:04 | 21:09 | — |
B4.9
|
20:41 | 20:52 | 20:56 | — |
B1.6
|
08:07 | 08:17 | 08:25 | — |
B6.6
|
05:40 | 05:46 | 05:50 | — |