Solar flares — Apr 18, 2021
The strongest solar flare in the day
Flare of B3.8 level () — in 12:37
Solar activity index
Value for Apr 18, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 17, 2021 to Apr 18, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 18, 2021
Total number of flares of class C and higher — 7 flares
C type — 0 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B1.7
|
20:49 | 20:53 | 20:58 | 2016 |
|
B1.2
|
14:29 | 14:35 | 14:40 | — |
|
B3.8
|
12:25 | 12:37 | 12:53 | — |
|
B1.4
|
11:05 | 11:12 | 11:20 | — |
|
B1.2
|
10:02 | 10:07 | 10:11 | — |
|
B2.3
|
09:23 | 09:33 | 09:38 | — |
|
B1.5
|
08:12 | 08:16 | 08:21 | 2816 |