Solar flares — Apr 18, 2011
The strongest solar flare in the day
Flare of C1.8 level (normal) — in 03:48
Solar activity index
Value for Apr 18, 2011 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Apr 17, 2011 to Apr 18, 2011
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
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List of solar flares for Apr 18, 2011
Total number of flares of class C and higher — 7 flares
C type — 4 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
B7.6
|
23:12 | 23:15 | 23:19 | 1190 |
C1.0
|
19:17 | 19:24 | 19:31 | 1195 |
C1.5
|
18:55 | 19:02 | 19:08 | 1193 |
B9.7
|
15:56 | 16:02 | 16:06 | 1193 |
B6.6
|
10:52 | 10:56 | 11:02 | — |
C1.8
|
03:32 | 03:48 | 04:16 | — |
C1.8
|
02:35 | 02:43 | 02:47 | 1193 |