Solar flares — Apr 20, 2021
The strongest solar flare in the day
Flare of M1.1 level (strong) — in 00:42
Solar activity index
Value for Apr 20, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 19, 2021 to Apr 20, 2021
Time zone — UTC+01 (London) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 20, 2021
Total number of flares of class C and higher — 2 flares
C type — 1 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.9
|
12:51 | 13:15 | 13:38 | 2814 |
|
M1.1
|
00:19 | 00:42 | 00:59 | 2816 |