Solar flares — Aug 20, 2011
The strongest solar flare in the day
Flare of C2.9 level (normal) — in 22:58
Solar activity index
Value for Aug 20, 2011 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Aug 19, 2011 to Aug 20, 2011
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Aug 20, 2011
Total number of flares of class C and higher — 9 flares
C type — 1 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.9
|
22:54 | 22:58 | 23:00 | 1271 |
|
B8.5
|
20:11 | 20:16 | 20:18 | 1271 |
|
B7.1
|
18:39 | 18:44 | 18:48 | — |
|
B3.9
|
18:05 | 18:08 | 18:11 | 1271 |
|
B8.4
|
12:25 | 12:36 | 12:50 | 1272 |
|
B5.7
|
11:57 | 12:01 | 12:03 | — |
|
B7.4
|
09:21 | 09:24 | 09:26 | 1271 |
|
B3.9
|
07:52 | 07:58 | 08:05 | 1271 |
|
B5.5
|
04:29 | 04:32 | 04:35 | 1272 |