Solar flares — Aug 21, 2021
The strongest solar flare in the day
Flare of B4.9 level () — in 11:36
Solar activity index
Value for Aug 21, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Aug 20, 2021 to Aug 21, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Aug 21, 2021
Total number of flares of class C and higher — 17 flares
C type — 0 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B4.4
|
22:26 | 22:30 | 22:35 | — |
|
B4.7
|
22:11 | 22:15 | 22:20 | — |
|
B2.6
|
21:57 | 22:04 | 22:09 | — |
|
B3.9
|
21:14 | 21:18 | 21:22 | — |
|
B3.9
|
20:54 | 20:58 | 21:02 | — |
|
B3.9
|
18:37 | 18:42 | 18:46 | 2859 |
|
B4.9
|
11:28 | 11:36 | 11:41 | 2859 |
|
B3.1
|
10:46 | 11:03 | 11:13 | 2859 |
|
B2.1
|
10:26 | 10:37 | 10:46 | 2859 |
|
B2.0
|
10:08 | 10:15 | 10:26 | 2859 |
|
B3.2
|
08:01 | 08:10 | 08:14 | 2859 |
|
B1.9
|
06:20 | 06:34 | 06:40 | 2859 |
|
B2.6
|
04:30 | 04:38 | 04:43 | 2859 |
|
B3.3
|
04:05 | 04:10 | 04:20 | 2859 |
|
B3.2
|
02:36 | 02:46 | 03:08 | 2859 |
|
B2.5
|
00:52 | 00:58 | 01:05 | — |
|
B1.7
|
00:34 | 00:42 | 00:52 | 2859 |