Solar flares — Apr 18, 2025
The strongest solar flare in the day
Flare of M4.4 level (strong) — in 23:50
Solar activity index
Value for Apr 18, 2025 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Apr 17, 2025 to Apr 18, 2025
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
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List of solar flares for Apr 18, 2025
Total number of flares of class C and higher — 6 flares
C type — 5 | M type — 1 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
M4.4
|
23:08 | 23:50 | 00:15 | — |
C2.6
|
21:48 | 21:52 | 21:56 | 4064 |
C1.4
|
21:11 | 21:17 | 21:24 | 4064 |
C1.6
|
12:03 | 12:12 | 12:20 | 4066 |
C1.8
|
05:51 | 06:01 | 06:14 | 4062 |
C2.2
|
04:10 | 04:22 | 04:29 | 4060 |