Solar flares — May 21, 2013
The strongest solar flare in the day
Flare of C2.9 level (normal) — in 22:37
Solar activity index
Value for May 21, 2013 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from May 20, 2013 to May 21, 2013
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for May 21, 2013
Total number of flares of class C and higher — 7 flares
C type — 6 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.9
|
22:32 | 22:37 | 22:43 | 1756 |
|
C1.5
|
22:02 | 22:09 | 22:14 | — |
|
C1.0
|
17:32 | 17:37 | 17:40 | 1755 |
|
B8.9
|
15:20 | 15:25 | 15:27 | 1748 |
|
C1.2
|
10:23 | 10:40 | 10:50 | 1745 |
|
C1.1
|
07:27 | 07:48 | 07:54 | 1751 |
|
C1.5
|
00:06 | 00:12 | 00:22 | 1751 |