Solar flares — Oct 21, 2013
The strongest solar flare in the day
Flare of C2.4 level (normal) — in 17:10
Solar activity index
Value for Oct 21, 2013 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Oct 20, 2013 to Oct 21, 2013
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 21, 2013
Total number of flares of class C and higher — 8 flares
C type — 8 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.0
|
23:31 | 23:46 | 23:58 | 1875 |
|
C1.5
|
21:56 | 22:00 | 22:07 | 1875 |
|
C1.6
|
21:20 | 21:34 | 21:39 | — |
|
C2.4
|
16:40 | 17:10 | 17:16 | 1875 |
|
C1.1
|
15:33 | 15:44 | 16:36 | 1877 |
|
C1.0
|
10:19 | 10:22 | 10:25 | 1877 |
|
C1.6
|
09:09 | 09:13 | 09:17 | 1875 |
|
C1.7
|
08:06 | 08:14 | 08:18 | — |