Solar flares — Jul 21, 2021
The strongest solar flare in the day
Flare of C1.3 level (normal) — in 20:05
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+00 (London)
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 — 11 flares
C type — 2 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B5.2
|
22:22 | 22:30 | 22:42 | 2845 |
|
C1.3
|
19:47 | 20:05 | 20:19 | 2845 |
|
C1.2
|
15:55 | 16:04 | 16:11 | 2849 |
|
B7.9
|
15:36 | 15:42 | 15:52 | 2845 |
|
B6.5
|
15:09 | 15:20 | 15:33 | 2845 |
|
B9.3
|
13:39 | 13:48 | 13:54 | 2842 |
|
B8.6
|
11:51 | 11:58 | 12:06 | 2842 |
|
B5.9
|
10:54 | 11:00 | 11:07 | 2847 |
|
B8.7
|
09:52 | 09:58 | 10:07 | — |
|
B7.3
|
09:08 | 09:35 | 09:52 | — |
|
B3.3
|
02:01 | 02:09 | 02:15 | 2847 |