Solar flares — Sep 19, 2025
The strongest solar flare in the day
Flare of M1.5 level (strong) — in 22:41
Solar activity index
Value for Sep 19, 2025 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Sep 18, 2025 to Sep 19, 2025
Time zone — UTC+01 (London) - summer time

This chart in PNG format — high resolution
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List of solar flares for Sep 19, 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 | |
---|---|---|---|---|
M1.5
|
22:22 | 22:41 | 22:56 | 4216 |
C5.8
|
21:49 | 22:12 | 22:20 | 4216 |
C1.9
|
17:37 | 17:44 | 17:52 | 4223 |
C1.9
|
13:49 | 13:58 | 14:06 | 4219 |
C2.9
|
07:49 | 08:05 | 08:25 | 4217 |