Solar flares — Apr 20, 2026
Yesterday
Tomorrow
The strongest solar flare in the day
Flare of C1.69 level (normal) — in 16:14
Solar activity index
Value for Apr 20, 2026 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 19, 2026 to Apr 20, 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 Apr 20, 2026
Total number of flares of class C and higher — 2 flares
C type — 2 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.69
|
15:59 | 16:14 | 16:25 | — |
|
C1.0
|
09:33 | 09:45 | 09:52 | 4419 |