Solar flares — Aug 21, 2011
The strongest solar flare in the day
Flare of C1.5 level (normal) — in 18:40
Solar activity index
Value for Aug 21, 2011 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Aug 20, 2011 to Aug 21, 2011
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Aug 21, 2011
Total number of flares of class C and higher — 11 flares
C type — 2 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.2
|
23:10 | 23:16 | 23:26 | 1272 |
|
B4.7
|
22:15 | 22:21 | 22:28 | 1272 |
|
B6.3
|
20:38 | 20:41 | 20:48 | 1272 |
|
B3.5
|
20:17 | 20:20 | 20:27 | 1274 |
|
C1.5
|
18:15 | 18:40 | 18:46 | 1272 |
|
B5.9
|
16:10 | 16:16 | 16:27 | 1272 |
|
B4.5
|
15:47 | 15:50 | 15:53 | 1272 |
|
B6.1
|
14:42 | 14:48 | 14:54 | 1272 |
|
B6.1
|
12:11 | 12:20 | 12:30 | — |
|
B3.7
|
02:29 | 02:33 | 02:37 | 1272 |
|
B4.3
|
00:48 | 00:51 | 00:57 | — |