Solar flares — Apr 20, 2017
The strongest solar flare in the day
Flare of B8.0 level () — in 06:56
Solar activity index
Value for Apr 20, 2017 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Apr 19, 2017 to Apr 20, 2017
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 20, 2017
Total number of flares of class C and higher — 4 flares
C type — 0 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
B3.7
|
21:17 | 21:23 | 21:27 | 2651 |
B2.6
|
10:43 | 10:49 | 10:58 | 2651 |
B1.9
|
08:42 | 08:46 | 08:53 | — |
B8.0
|
06:49 | 06:56 | 07:04 | 2651 |