Solar flares — Jul 17, 2017
The strongest solar flare in the day
Flare of C2.3 level (normal) — in 04:28
Solar activity index
Value for Jul 17, 2017 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Jul 16, 2017 to Jul 17, 2017
Time zone — UTC+01 (London) - summer time

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Jul 17, 2017
Total number of flares of class C and higher — 2 flares
C type — 2 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C1.2
|
18:09 | 19:42 | 21:50 | 2665 |
C2.3
|
04:24 | 04:28 | 04:31 | 2665 |