Solar flares — Jul 21, 2021
The strongest solar flare in the day
Flare of C1.3 level (normal) — in 21:05
Solar activity index
Value for Jul 21, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Jul 20, 2021 to Jul 21, 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 Jul 21, 2021
Total number of flares of class C and higher — 3 flares
C type — 3 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.3
|
20:47 | 21:05 | 21:19 | 2845 |
|
C1.2
|
16:55 | 17:04 | 17:11 | 2849 |
|
C1.0
|
00:19 | 00:27 | 00:37 | — |