Solar flares — Apr 20, 2025
The strongest solar flare in the day
Flare of M1.0 level (strong) — in 12:11
Solar activity index
Value for Apr 20, 2025 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Apr 19, 2025 to Apr 20, 2025
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 20, 2025
Total number of flares of class C and higher — 5 flares
C type — 4 | M type — 1 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C4.3
|
17:02 | 17:18 | 17:34 | 4063 |
C1.7
|
16:23 | 16:28 | 16:33 | 4064 |
M1.0
|
11:37 | 12:11 | 12:59 | — |
C2.2
|
07:50 | 07:57 | 08:06 | — |
C2.0
|
06:20 | 06:23 | 06:26 | 4065 |