Solar flares — Feb 21, 2013
The strongest solar flare in the day
Flare of C2.5 level (normal) — in 05:05
Solar activity index
Value for Feb 21, 2013 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Feb 20, 2013 to Feb 21, 2013
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Feb 21, 2013
Total number of flares of class C and higher — 4 flares
C type — 3 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B9.9
|
08:54 | 08:59 | 09:10 | 1678 |
|
C2.5
|
04:56 | 05:05 | 05:17 | 1678 |
|
C2.0
|
04:01 | 04:09 | 04:16 | 1678 |
|
C1.9
|
03:07 | 03:10 | 03:12 | 1678 |