Solar flares — Apr 23, 2021
The strongest solar flare in the day
Flare of C2.4 level (normal) — in 23:12
Solar activity index
Value for Apr 23, 2021 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Apr 22, 2021 to Apr 23, 2021
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 23, 2021
Total number of flares of class C and higher — 13 flares
C type — 6 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C2.4
|
23:08 | 23:12 | 23:16 | 2817 |
C2.2
|
22:39 | 22:54 | 23:08 | 2817 |
B6.8
|
18:15 | 18:28 | 18:38 | 2816 |
B4.1
|
16:33 | 16:44 | 17:00 | 2817 |
B4.2
|
11:07 | 11:16 | 11:30 | 2816 |
B6.3
|
08:03 | 08:16 | 08:29 | 2816 |
C1.4
|
06:14 | 06:28 | 06:41 | 2816 |
C1.0
|
05:09 | 05:25 | 05:59 | 2816 |
B4.9
|
04:42 | 04:50 | 05:02 | 2816 |
B3.2
|
04:23 | 04:27 | 04:32 | 2816 |
C1.4
|
02:37 | 02:52 | 03:02 | 2817 |
C1.3
|
01:32 | 01:52 | 02:02 | 2817 |
B8.3
|
00:49 | 01:02 | 01:26 | 2816 |