Solar flares — Feb 21, 2012
The strongest solar flare in the day
Flare of C1.0 level (normal) — in 11:48
Solar activity index
Value for Feb 21, 2012 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Feb 20, 2012 to Feb 21, 2012
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Feb 21, 2012
Total number of flares of class C and higher — 3 flares
C type — 1 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B4.5
|
20:37 | 20:41 | 20:45 | 1422 |
|
B5.0
|
19:32 | 19:37 | 19:41 | 1422 |
|
C1.0
|
11:42 | 11:48 | 11:55 | 1422 |