Solar flares — Dec 21, 2015
The strongest solar flare in the day
Flare of M2.8 level (strong) — in 01:03
Solar activity index
Value for Dec 21, 2015 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Dec 20, 2015 to Dec 21, 2015
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 21, 2015
Total number of flares of class C and higher — 11 flares
C type — 9 | M type — 2 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C1.1
|
22:23 | 22:26 | 22:28 | 2470 |
C6.2
|
18:08 | 18:27 | 18:42 | 2473 |
C1.3
|
15:39 | 16:37 | 16:41 | 2473 |
C2.1
|
14:17 | 14:33 | 14:48 | 2473 |
M1.1
|
10:09 | 10:19 | 10:32 | 2472 |
C1.0
|
09:00 | 09:04 | 09:09 | 2472 |
C1.7
|
08:25 | 08:29 | 08:31 | 2472 |
C9.1
|
05:29 | 05:39 | 05:43 | 2472 |
C2.0
|
04:50 | 04:58 | 05:04 | 2472 |
C2.4
|
03:10 | 03:16 | 03:21 | 2472 |
M2.8
|
00:52 | 01:03 | 01:11 | 2472 |