Solar flares — Oct 21, 2013
The strongest solar flare in the day
Flare of C2.7 level (normal) — in 23:11
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+00 (London)
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 — 11 flares
C type — 9 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.7
|
23:02 | 23:11 | 23:15 | 1875 |
|
C2.0
|
22:31 | 22:46 | 22:58 | 1875 |
|
C1.5
|
20:56 | 21:00 | 21:07 | 1875 |
|
C1.6
|
20:20 | 20:34 | 20:39 | — |
|
B9.1
|
19:28 | 19:40 | 19:43 | — |
|
C2.4
|
15:40 | 16:10 | 16:16 | 1875 |
|
C1.1
|
14:33 | 14:44 | 15:36 | 1877 |
|
B9.8
|
09:34 | 09:45 | 09:49 | — |
|
C1.0
|
09:19 | 09:22 | 09:25 | 1877 |
|
C1.6
|
08:09 | 08:13 | 08:17 | 1875 |
|
C1.7
|
07:06 | 07:14 | 07:18 | — |