Solar flares — Sep 18, 2011
The strongest solar flare in the day
Flare of C3.8 level (normal) — in 10:57
Solar activity index
Value for Sep 18, 2011 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Sep 17, 2011 to Sep 18, 2011
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 18, 2011
Total number of flares of class C and higher — 6 flares
C type — 6 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C1.6
|
22:23 | 22:27 | 22:29 | 1295 |
C2.0
|
15:48 | 15:52 | 15:58 | 1295 |
C3.8
|
09:48 | 10:57 | 11:37 | 1295 |
C2.9
|
07:32 | 07:35 | 07:37 | 1301 |
C1.2
|
03:59 | 04:02 | 04:05 | — |
C1.6
|
01:26 | 01:30 | 01:32 | — |