Solar flares — Jun 20, 2025
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The strongest solar flare in the day
Flare of X1.9 level (very strong) — in 00:50
Solar activity index
Value for Jun 20, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Jun 19, 2025 to Jun 20, 2025
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 20, 2025
Total number of flares of class C and higher — 6 flares
C type — 3 | M type — 2 | X type — 1
| start | maximum | end | region | |
|---|---|---|---|---|
|
M1.0
|
18:21 | 18:40 | 18:59 | 4117 |
|
C3.6
|
16:01 | 16:04 | 16:06 | 4114 |
|
C1.1
|
13:58 | 14:05 | 14:08 | — |
|
C1.1
|
09:56 | 10:03 | 10:10 | — |
|
M4.6
|
01:02 | 01:04 | 01:06 | 4114 |
|
X1.9
|
00:37 | 00:50 | 00:54 | 4114 |