Solar flares — Sep 21, 2013
The strongest solar flare in the day
Flare of C3.0 level (normal) — in 09:24
Solar activity index
Value for Sep 21, 2013 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Sep 20, 2013 to Sep 21, 2013
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 21, 2013
Total number of flares of class C and higher — 4 flares
C type — 2 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C3.0
|
08:38 | 09:24 | 09:32 | 1850 |
|
B8.9
|
07:28 | 07:35 | 07:41 | — |
|
B8.3
|
02:01 | 02:04 | 02:06 | 1850 |
|
C1.0
|
01:39 | 01:45 | 01:52 | 1850 |