Solar flares — Apr 21, 2022
The strongest solar flare in the day
Flare of M9.6 level (strong) — in 01:59
Solar activity index
Value for Apr 21, 2022 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Apr 20, 2022 to Apr 21, 2022
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 21, 2022
Total number of flares of class C and higher — 5 flares
C type — 4 | M type — 1 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C1.6
|
22:39 | 22:45 | 22:51 | — |
C7.0
|
20:58 | 21:04 | 21:08 | 2994 |
C3.1
|
17:18 | 17:27 | 17:34 | 2993 |
C5.4
|
12:47 | 12:55 | 13:01 | 2994 |
M9.6
|
01:47 | 01:59 | 02:05 | 2993 |