Solar flares — May 31, 2011
The strongest solar flare in the day
Flare of C1.8 level (normal) — in 05:43
Solar activity index
Value for May 31, 2011 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from May 30, 2011 to May 31, 2011
Time zone — UTC+01 (London) - summer time

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for May 31, 2011
Total number of flares of class C and higher — 2 flares
C type — 2 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C1.7
|
06:29 | 06:53 | 07:20 | 1226 |
C1.8
|
05:34 | 05:43 | 05:49 | 1227 |