Solar flares — Jul 21, 2023
The strongest solar flare in the day
Flare of C2.1 level (normal) — in 10:54
Solar activity index
Value for Jul 21, 2023 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Jul 20, 2023 to Jul 21, 2023
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Jul 21, 2023
Total number of flares of class C and higher — 2 flares
C type — 2 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C2.1
|
10:44 | 10:54 | 11:03 | 3373 |
C1.5
|
09:45 | 09:52 | 09:57 | 3373 |