Solar flares — Jun 18, 2026
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The strongest solar flare in the day
Flare of C2.0 level (normal) — in 12:56
Solar activity index
Value for Jun 18, 2026 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Jun 17, 2026 to Jun 18, 2026
Time zone — UTC+01 (London) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Jun 18, 2026
Total number of flares of class C and higher — 4 flares
C type — 4 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.2
|
22:53 | 23:00 | 00:00 | — |
|
C2.0
|
12:42 | 12:56 | 13:01 | — |
|
C1.8
|
12:42 | 12:50 | 13:02 | 4470 |
|
C1.0
|
08:38 | 08:46 | 08:52 | 4470 |