Solar flares — Oct 28, 2021
The strongest solar flare in the day
Flare of X1.0 level (very strong) — in 15:35
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+00 (London)
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
|
21:02 | 21:07 | 21:11 | 2891 |
|
C3.1
|
19:34 | 19:45 | 20:03 | 2891 |
|
C3.1
|
18:07 | 18:10 | 18:14 | 2891 |
|
X1.0
|
15:17 | 15:35 | 15:48 | 2887 |
|
C3.8
|
13:46 | 13:59 | 14:05 | 2887 |
|
C3.3
|
13:15 | 13:21 | 13:25 | 2887 |
|
C2.2
|
12:26 | 12:38 | 12:49 | 2891 |
|
C1.2
|
12:09 | 12:17 | 12:27 | 2887 |
|
M2.2
|
10:19 | 10:28 | 10:37 | 2887 |
|
C1.1
|
09:56 | 10:00 | 10:05 | 2887 |
|
M1.4
|
07:30 | 07:40 | 07:45 | 2887 |
|
C1.2
|
01:32 | 01:38 | 01:45 | 2887 |