Solar flares — Dec 21, 2011
The strongest solar flare in the day
Flare of C4.3 level (normal) — in 04:55
Solar activity index
Value for Dec 21, 2011 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 20, 2011 to Dec 21, 2011
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 21, 2011
Total number of flares of class C and higher — 16 flares
C type — 16 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.0
|
22:37 | 22:43 | 22:47 | 1376 |
|
C1.5
|
20:08 | 20:11 | 20:13 | 1376 |
|
C1.7
|
19:03 | 19:06 | 19:09 | 1376 |
|
C1.9
|
18:07 | 18:12 | 18:17 | 1376 |
|
C2.5
|
15:25 | 15:28 | 15:30 | 1382 |
|
C2.0
|
13:02 | 13:07 | 13:09 | 1384 |
|
C1.3
|
12:31 | 12:35 | 12:37 | 1384 |
|
C2.1
|
11:02 | 11:05 | 11:07 | 1384 |
|
C2.5
|
10:34 | 10:38 | 10:41 | 1384 |
|
C2.2
|
09:03 | 09:09 | 09:15 | 1382 |
|
C3.9
|
07:35 | 07:40 | 07:43 | 1382 |
|
C2.0
|
06:56 | 06:59 | 07:03 | 1384 |
|
C3.6
|
06:22 | 06:27 | 06:33 | 1382 |
|
C4.3
|
04:48 | 04:55 | 04:59 | 1382 |
|
C3.1
|
02:57 | 03:12 | 03:16 | 1382 |
|
C1.5
|
00:54 | 00:59 | 01:03 | 1376 |