Solar flares — Jul 21, 2011
The strongest solar flare in the day
Flare of B3.0 level () — in 15:03
Solar activity index
Value for Jul 21, 2011 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Jul 20, 2011 to Jul 21, 2011
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Jul 21, 2011
Total number of flares of class C and higher — 1 flare
C type — 0 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B3.0
|
15:00 | 15:03 | 15:09 | 1254 |