Solar flares — Apr 21, 2012
The strongest solar flare in the day
Flare of C2.4 level (normal) — in 01:32
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+00 (London)
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 — 4 flares
C type — 3 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.8
|
20:10 | 20:14 | 20:19 | 1459 |
|
B9.2
|
12:11 | 12:15 | 12:22 | 1465 |
|
C1.0
|
11:00 | 11:14 | 11:24 | 1462 |
|
C2.4
|
01:27 | 01:32 | 01:34 | 1460 |