Solar flares — Dec 31, 2011
The strongest solar flare in the day
Flare of M2.4 level (strong) — in 13:15
Solar activity index
Value for Dec 31, 2011 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 30, 2011 to Dec 31, 2011
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 31, 2011
Total number of flares of class C and higher — 4 flares
C type — 1 | M type — 2 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.2
|
17:17 | 17:31 | 17:48 | 1386 |
|
M1.5
|
16:16 | 16:26 | 16:34 | 1389 |
|
B7.2
|
15:50 | 15:53 | 15:57 | 1389 |
|
M2.4
|
13:09 | 13:15 | 13:19 | 1389 |