Solar flares — Sep 13, 2021
The strongest solar flare in the day
Flare of B8.0 level () — in 02:58
Solar activity index
Value for Sep 13, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Sep 12, 2021 to Sep 13, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 13, 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 | |
|---|---|---|---|---|
|
B5.9
|
17:48 | 17:55 | 17:59 | 2868 |
|
B3.3
|
17:30 | 17:44 | 17:48 | — |
|
B5.8
|
12:31 | 12:39 | 12:45 | 2868 |
|
B8.0
|
02:51 | 02:58 | 03:02 | — |