Solar flares — Feb 20, 2017
The strongest solar flare in the day
Flare of B7.5 level () — in 14:25
Solar activity index
Value for Feb 20, 2017 24:00 (end on the day). The maximum value is 10.0

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

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Feb 20, 2017
Total number of flares of class C and higher — 6 flares
C type — 0 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
B2.5
|
23:10 | 23:14 | 23:20 | 2638 |
B3.7
|
16:56 | 17:03 | 17:11 | — |
B7.5
|
14:14 | 14:25 | 14:32 | — |
B5.4
|
13:43 | 13:48 | 13:51 | 2638 |
B3.7
|
11:51 | 11:56 | 12:01 | 2638 |
B4.5
|
11:22 | 11:29 | 11:37 | 2638 |