Solar flares — Sep 28, 2021
The strongest solar flare in the day
Flare of C1.6 level (normal) — in 06:34
Solar activity index
Value for Sep 28, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Sep 27, 2021 to Sep 28, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 28, 2021
Total number of flares of class C and higher — 6 flares
C type — 1 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B2.8
|
23:09 | 23:16 | 23:21 | 2871 |
|
C1.6
|
05:54 | 06:34 | 06:54 | — |
|
B6.9
|
05:24 | 05:40 | 05:54 | 2871 |
|
B3.1
|
04:30 | 04:38 | 04:45 | 2871 |
|
B2.9
|
02:49 | 02:59 | 03:05 | 2871 |
|
B3.5
|
01:37 | 01:47 | 01:56 | 2871 |