Solar flares — Apr 21, 2013
The strongest solar flare in the day
Flare of C4.5 level (normal) — in 19:39
Solar activity index
Value for Apr 21, 2013 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 20, 2013 to Apr 21, 2013
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, 2013
Total number of flares of class C and higher — 13 flares
C type — 13 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.7
|
20:59 | 21:15 | 21:32 | 1723 |
|
C4.5
|
19:35 | 19:39 | 19:42 | 1726 |
|
C2.9
|
17:00 | 17:03 | 17:06 | 1726 |
|
C2.2
|
15:16 | 15:20 | 15:23 | 1726 |
|
C1.0
|
12:38 | 13:03 | 13:09 | 1726 |
|
C1.0
|
11:52 | 11:55 | 11:57 | 1726 |
|
C1.8
|
11:21 | 11:24 | 11:26 | 1726 |
|
C2.5
|
10:20 | 10:23 | 10:27 | 1726 |
|
C1.3
|
08:30 | 08:34 | 08:40 | 1726 |
|
C2.7
|
06:57 | 07:00 | 07:02 | 1726 |
|
C1.4
|
06:04 | 06:14 | 06:18 | 1726 |
|
C1.0
|
03:56 | 04:00 | 04:02 | 1726 |
|
C3.6
|
02:02 | 02:09 | 02:16 | 1726 |