Solar flares — Apr 28, 2021
The strongest solar flare in the day
Flare of B3.4 level () — in 07:45
Solar activity index
Value for Apr 28, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 27, 2021 to Apr 28, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 28, 2021
Total number of flares of class C and higher — 4 flares
C type — 0 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B1.2
|
12:40 | 12:44 | 12:48 | 2821 |
|
B1.2
|
08:04 | 08:09 | 08:19 | 2820 |
|
B3.4
|
07:39 | 07:45 | 07:49 | 2820 |
|
B2.0
|
07:20 | 07:29 | 07:37 | 2820 |