Solar flares — Sep 23, 2021
The strongest solar flare in the day
Flare of M2.8 level (strong) — in 05:42
Solar activity index
Value for Sep 23, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Sep 22, 2021 to Sep 23, 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 Sep 23, 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 | |
|---|---|---|---|---|
|
C1.0
|
21:34 | 21:41 | 21:46 | 2871 |
|
M2.8
|
05:35 | 05:42 | 05:50 | 2871 |