Solar flares — Sep 18, 2021
The strongest solar flare in the day
Flare of C2.6 level (normal) — in 09:27
Solar activity index
Value for Sep 18, 2021 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Sep 17, 2021 to Sep 18, 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 18, 2021
Total number of flares of class C and higher — 2 flares
C type — 2 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C2.6
|
08:47 | 09:27 | 09:33 | 2871 |
C1.6
|
08:48 | 09:15 | 00:48 | 2871 |