Solar flares — Apr 21, 2017
The strongest solar flare in the day
Flare of B6.2 level () — in 12:16
Solar activity index
Value for Apr 21, 2017 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 20, 2017 to Apr 21, 2017
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 21, 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 | |
|---|---|---|---|---|
|
B2.2
|
22:03 | 22:07 | 22:09 | — |
|
B4.1
|
19:35 | 19:41 | 19:44 | 2651 |
|
B4.1
|
17:23 | 17:30 | 17:41 | 2651 |
|
B2.0
|
17:05 | 17:10 | 17:17 | 2651 |
|
B6.2
|
12:06 | 12:16 | 12:26 | 2651 |
|
B2.4
|
02:58 | 03:02 | 03:04 | 2651 |