Solar flares — Sep 27, 2021
The strongest solar flare in the day
Flare of B4.5 level () — in 11:46
Solar activity index
Value for Sep 27, 2021 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Sep 26, 2021 to Sep 27, 2021
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 27, 2021
Total number of flares of class C and higher — 5 flares
C type — 0 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
B2.4
|
23:46 | 23:53 | 00:11 | — |
B3.5
|
19:38 | 19:45 | 19:50 | — |
B4.2
|
13:11 | 13:22 | 13:38 | — |
B4.5
|
11:40 | 11:46 | 11:50 | — |
B2.6
|
08:58 | 09:23 | 09:30 | 2871 |