Solar flares — Dec 16, 2021
The strongest solar flare in the day
Flare of C3.3 level (normal) — in 15:27
Solar activity index
Value for Dec 16, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 15, 2021 to Dec 16, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 16, 2021
Total number of flares of class C and higher — 12 flares
C type — 8 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C3.0
|
23:35 | 23:39 | 23:43 | 2909 |
|
C2.9
|
20:29 | 20:44 | 21:06 | 2911 |
|
C2.3
|
19:58 | 20:09 | 20:20 | 2911 |
|
B7.8
|
16:36 | 16:43 | 16:47 | 2911 |
|
C3.3
|
15:19 | 15:27 | 15:31 | 2909 |
|
C2.0
|
13:34 | 13:41 | 13:45 | 2911 |
|
B9.1
|
09:19 | 09:28 | 09:37 | — |
|
B9.3
|
07:45 | 07:48 | 07:52 | — |
|
C1.5
|
05:06 | 05:21 | 05:36 | 2907 |
|
C1.3
|
03:44 | 03:54 | 04:04 | 2909 |
|
C1.4
|
03:26 | 03:34 | 03:41 | 2909 |
|
B7.6
|
03:13 | 03:19 | 03:24 | 2909 |