Solar flares — Dec 28, 2021
The strongest solar flare in the day
Flare of M1.8 level (strong) — in 04:01
Solar activity index
Value for Dec 28, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 27, 2021 to Dec 28, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 28, 2021
Total number of flares of class C and higher — 12 flares
C type — 6 | M type — 2 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B8.4
|
22:52 | 22:58 | 23:06 | 2918 |
|
B8.5
|
22:37 | 22:46 | 22:52 | — |
|
B5.7
|
21:35 | 21:42 | 21:46 | 2916 |
|
M1.6
|
15:59 | 16:11 | 16:20 | 2918 |
|
C1.0
|
15:03 | 15:14 | 15:32 | 2918 |
|
B9.2
|
12:59 | 13:05 | 13:10 | 2918 |
|
C7.0
|
07:29 | 07:44 | 07:57 | 2918 |
|
C1.3
|
06:11 | 06:18 | 06:23 | — |
|
M1.8
|
03:50 | 04:01 | 04:10 | 2918 |
|
C2.7
|
02:19 | 02:36 | 02:46 | 2918 |
|
C1.3
|
00:39 | 00:47 | 00:51 | — |
|
C1.2
|
00:25 | 00:32 | 00:36 | — |