Solar flares — Apr 20, 2021
The strongest solar flare in the day
Flare of C1.9 level (normal) — in 12:15
Solar activity index
Value for Apr 20, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 19, 2021 to Apr 20, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 20, 2021
Total number of flares of class C and higher — 19 flares
C type — 1 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B3.1
|
23:47 | 23:56 | 00:12 | — |
|
B1.9
|
23:32 | 23:38 | 23:47 | — |
|
B5.0
|
17:44 | 17:54 | 17:59 | 2816 |
|
B5.1
|
17:05 | 17:13 | 17:18 | 2817 |
|
B4.7
|
16:14 | 16:24 | 16:38 | 2816 |
|
B6.6
|
15:02 | 15:15 | 15:22 | 2816 |
|
B6.4
|
14:16 | 14:20 | 14:28 | — |
|
B5.9
|
13:53 | 14:02 | 14:06 | 2817 |
|
C1.9
|
11:51 | 12:15 | 12:38 | 2814 |
|
B3.7
|
11:38 | 11:45 | 11:51 | 2817 |
|
B5.0
|
10:38 | 10:44 | 10:51 | 2817 |
|
B3.7
|
10:00 | 10:10 | 10:21 | 2817 |
|
B3.4
|
09:29 | 09:34 | 09:41 | 2817 |
|
B3.4
|
08:31 | 08:43 | 08:45 | 2817 |
|
B7.5
|
06:42 | 06:48 | 06:52 | 2817 |
|
B6.7
|
06:07 | 06:10 | 06:16 | 2817 |
|
B4.1
|
05:46 | 05:49 | 05:53 | 2817 |
|
B2.3
|
04:18 | 04:25 | 04:29 | 2817 |
|
B2.8
|
03:35 | 03:40 | 03:47 | 2817 |