Solar flares — May 17, 2021
The strongest solar flare in the day
Flare of B4.3 level () — in 19:06
Solar activity index
Value for May 17, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from May 16, 2021 to May 17, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for May 17, 2021
Total number of flares of class C and higher — 12 flares
C type — 0 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
B1.3
|
23:39 | 23:46 | 23:56 | — |
|
B3.5
|
22:07 | 22:12 | 22:16 | — |
|
B1.4
|
21:52 | 21:59 | 22:07 | — |
|
B1.4
|
20:55 | 21:03 | 21:09 | — |
|
B1.2
|
19:56 | 20:02 | 20:07 | — |
|
B4.3
|
19:00 | 19:06 | 19:10 | — |
|
B1.3
|
18:52 | 18:57 | 19:01 | — |
|
B1.4
|
18:16 | 18:23 | 18:27 | — |
|
B1.4
|
17:47 | 17:54 | 17:58 | — |
|
B3.4
|
14:50 | 15:01 | 15:05 | — |
|
B1.2
|
11:52 | 11:58 | 12:02 | — |
|
B1.5
|
03:02 | 03:10 | 03:17 | — |