Solar flares — Oct 28, 2021
The strongest solar flare in the day
Flare of X1.0 level (very strong) — in 16:35
Solar activity index
Value for Oct 28, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Oct 27, 2021 to Oct 28, 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 Oct 28, 2021
Total number of flares of class C and higher — 12 flares
C type — 9 | M type — 2 | X type — 1
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.5
|
22:02 | 22:07 | 22:11 | 2891 |
|
C3.1
|
20:34 | 20:45 | 21:03 | 2891 |
|
C3.1
|
19:07 | 19:10 | 19:14 | 2891 |
|
X1.0
|
16:17 | 16:35 | 16:48 | 2887 |
|
C3.8
|
14:46 | 14:59 | 15:05 | 2887 |
|
C3.3
|
14:15 | 14:21 | 14:25 | 2887 |
|
C2.2
|
13:26 | 13:38 | 13:49 | 2891 |
|
C1.2
|
13:09 | 13:17 | 13:27 | 2887 |
|
M2.2
|
11:19 | 11:28 | 11:37 | 2887 |
|
C1.1
|
10:56 | 11:00 | 11:05 | 2887 |
|
M1.4
|
08:30 | 08:40 | 08:45 | 2887 |
|
C1.2
|
02:32 | 02:38 | 02:45 | 2887 |