Solar flares — May 21, 2023
The strongest solar flare in the day
Flare of M2.6 level (strong) — in 16:04
Solar activity index
Value for May 21, 2023 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from May 20, 2023 to May 21, 2023
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for May 21, 2023
Total number of flares of class C and higher — 13 flares
C type — 11 | M type — 2 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C9.8
|
21:36 | 21:57 | 22:13 | 3305 |
|
C4.3
|
20:55 | 21:01 | 21:16 | 3305 |
|
M2.6
|
15:49 | 16:04 | 16:18 | 3311 |
|
C4.6
|
15:04 | 15:17 | 15:29 | 3305 |
|
C5.4
|
11:20 | 11:30 | 11:45 | 3305 |
|
C4.9
|
08:27 | 08:34 | 08:48 | 3311 |
|
C4.5
|
07:40 | 07:59 | 08:12 | 3305 |
|
C4.1
|
06:40 | 06:49 | 06:53 | 3305 |
|
C3.0
|
05:30 | 05:40 | 06:04 | 3311 |
|
C3.0
|
04:57 | 05:03 | 05:08 | 3311 |
|
C4.9
|
03:51 | 03:57 | 04:05 | 3311 |
|
M1.4
|
02:18 | 02:23 | 02:33 | 3311 |
|
C2.5
|
00:59 | 01:06 | 01:14 | 3305 |