Solar flares — Aug 21, 2017
The strongest solar flare in the day
Flare of C5.9 level (normal) — in 03:16
Solar activity index
Value for Aug 21, 2017 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Aug 20, 2017 to Aug 21, 2017
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Aug 21, 2017
Total number of flares of class C and higher — 10 flares
C type — 4 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.5
|
21:47 | 22:38 | 22:58 | 2671 |
|
C1.5
|
20:12 | 20:22 | 20:26 | 2671 |
|
C3.0
|
17:39 | 17:57 | 18:01 | — |
|
B8.6
|
10:31 | 11:03 | 11:38 | 2671 |
|
B3.4
|
09:48 | 09:51 | 09:54 | 2671 |
|
B9.3
|
07:22 | 07:40 | 07:46 | 2671 |
|
B5.0
|
05:59 | 06:10 | 06:18 | 2671 |
|
C5.9
|
03:05 | 03:16 | 03:30 | 2672 |
|
B7.3
|
02:29 | 02:34 | 02:42 | 2672 |
|
B4.9
|
00:50 | 01:02 | 01:07 | 2671 |