Solar flares — June 21, 2025
The strongest solar flare in the day
Flare of C1.3 level (normal) — in 19:15
Solar activity index
Value for Jun 21, 2025 24:00 (end on the day) . The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Jun 20, 2025 to Jun 21, 2025
Time zone — UTC-08 (Hooper Bay) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Jun 21, 2025
Total number of flares of class C and higher – 2 flares
C type — 2 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.0
|
21:57 | 22:02 | 22:06 | 4118 |
|
C1.3
|
19:06 | 19:15 | 19:19 | 4114 |