Solar flares — Feb 21, 2023
The strongest solar flare in the day
Flare of M5.0 level (strong) — in 20:17
Solar activity index
Value for Feb 21, 2023 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Feb 20, 2023 to Feb 21, 2023
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Feb 21, 2023
Total number of flares of class C and higher — 11 flares
C type — 9 | M type — 2 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C4.6
|
23:53 | 23:59 | 00:06 | 3234 |
|
C8.3
|
21:43 | 21:51 | 21:59 | 3231 |
|
C7.3
|
21:01 | 21:07 | 21:18 | 3234 |
|
M5.0
|
19:57 | 20:17 | 20:30 | 3234 |
|
C6.3
|
19:23 | 19:36 | 19:50 | 3234 |
|
C4.0
|
18:26 | 18:38 | 18:47 | 3234 |
|
C2.6
|
14:20 | 14:27 | 14:32 | 3226 |
|
C6.1
|
12:17 | 12:21 | 12:25 | 3229 |
|
M4.7
|
11:14 | 11:23 | 11:31 | 3234 |
|
C9.6
|
04:35 | 04:44 | 04:52 | 3226 |
|
C9.1
|
03:40 | 04:02 | 04:16 | — |