Solar flares — Sep 21, 2010
The strongest solar flare in the day
Flare of C1.4 level (normal) — in 07:53
Solar activity index
Value for Sep 21, 2010 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Sep 20, 2010 to Sep 21, 2010
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 21, 2010
Total number of flares of class C and higher — 3 flares
C type — 1 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B4.4
|
17:55 | 18:01 | 18:10 | 1109 |
|
C1.4
|
07:38 | 07:53 | 08:09 | 1109 |
|
B9.0
|
05:57 | 06:08 | 07:00 | 1109 |