Solar flares — Sep 30, 2021
The strongest solar flare in the day
Flare of C1.2 level (normal) — in 12:49
Solar activity index
Value for Sep 30, 2021 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Sep 29, 2021 to Sep 30, 2021
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 30, 2021
Total number of flares of class C and higher — 11 flares
C type — 1 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
B3.2
|
18:17 | 18:25 | 18:33 | 2877 |
B2.8
|
17:28 | 17:32 | 17:37 | 2877 |
B2.9
|
14:54 | 15:03 | 15:24 | 2877 |
C1.2
|
12:43 | 12:49 | 12:55 | 2877 |
B5.4
|
12:19 | 12:24 | 12:30 | 2877 |
B3.0
|
12:09 | 12:14 | 12:18 | 2877 |
B6.5
|
11:46 | 11:49 | 11:53 | 2877 |
B4.8
|
10:18 | 10:23 | 10:28 | 2880 |
B8.3
|
08:31 | 08:39 | 08:45 | 2877 |
B4.9
|
07:51 | 07:57 | 08:06 | 2877 |
B9.5
|
05:42 | 05:49 | 05:55 | 2877 |