Solar flares — Mar 21, 2011
The strongest solar flare in the day
Flare of C4.2 level (normal) — in 17:19
Solar activity index
Value for Mar 21, 2011 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Mar 20, 2011 to Mar 21, 2011
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Mar 21, 2011
Total number of flares of class C and higher — 3 flares
C type — 3 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C4.2
|
15:31 | 17:19 | 18:30 | — |
|
C1.0
|
11:52 | 11:57 | 12:03 | — |
|
C2.6
|
11:45 | 11:47 | 11:50 | — |