Solar flares — Apr 21, 2012
The strongest solar flare in the day
Flare of C2.4 level (normal) — in 02:32
Solar activity index
Value for Apr 21, 2012 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Apr 20, 2012 to Apr 21, 2012
Time zone — UTC+01 (London) - summer time

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 21, 2012
Total number of flares of class C and higher — 3 flares
C type — 3 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C1.8
|
21:10 | 21:14 | 21:19 | 1459 |
C1.0
|
12:00 | 12:14 | 12:24 | 1462 |
C2.4
|
02:27 | 02:32 | 02:34 | 1460 |