Solar flares — Dec 17, 2021
The strongest solar flare in the day
Flare of M1.2 level (strong) — in 00:51
Solar activity index
Value for Dec 17, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 16, 2021 to Dec 17, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 17, 2021
Total number of flares of class C and higher — 12 flares
C type — 9 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.3
|
22:22 | 22:30 | 22:36 | — |
|
B8.1
|
20:31 | 20:35 | 20:45 | 2908 |
|
C1.5
|
17:39 | 17:53 | 18:08 | 2911 |
|
C1.0
|
14:22 | 14:30 | 14:39 | 2907 |
|
B9.8
|
14:08 | 14:12 | 14:18 | 2907 |
|
C2.3
|
12:55 | 13:12 | 13:25 | 2909 |
|
C1.3
|
06:18 | 06:25 | 06:30 | 2911 |
|
C1.4
|
05:06 | 05:10 | 05:15 | 2911 |
|
C1.3
|
04:50 | 04:58 | 05:03 | 2911 |
|
C1.2
|
04:01 | 04:08 | 04:12 | 2911 |
|
C1.5
|
03:25 | 03:31 | 03:41 | 2911 |
|
M1.2
|
00:39 | 00:51 | 00:56 | 2911 |