Solar flares — May 21, 2024
The strongest solar flare in the day
Flare of M1.9 level (strong) — in 20:31
Solar activity index
Value for May 21, 2024 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from May 20, 2024 to May 21, 2024
Time zone — UTC+01 (London) - summer time

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for May 21, 2024
Total number of flares of class C and higher — 8 flares
C type — 7 | M type — 1 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C3.9
|
23:28 | 23:40 | 23:58 | 3674 |
M1.9
|
20:19 | 20:31 | 20:39 | 3679 |
C6.9
|
16:53 | 17:05 | 17:14 | 3679 |
C6.6
|
15:00 | 15:13 | 15:26 | 3683 |
C7.0
|
14:29 | 14:36 | 14:41 | 3683 |
C1.9
|
13:04 | 13:08 | 13:22 | 3683 |
C4.8
|
08:20 | 08:32 | 08:39 | 3683 |
C4.3
|
06:50 | 07:16 | 07:35 | 3683 |