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Solar flares — Apr 16, 2026

Yesterday

The strongest solar flare in the day

Flare of C1.7 level (normal) — in 13:25

Solar activity index

Value for Apr 16, 2026 24:00 (end on the day). The maximum value is 10.0

Solar activity index

Solar flares in 2 days

Chart of solar activity from Apr 15, 2026 to Apr 16, 2026

Time zone — UTC+01 (London) - summer time

Solar flares in 2 days
This chart in PNG format — high resolution API data: JSON or TXT

List of solar flares for Apr 16, 2026

Total number of flares of class C and higher3 flares

C type — 3 | M type — 0 | X type — 0

  start maximum end region
C1.1
14:00 14:11 14:17 4419
C1.7
13:16 13:25 13:36 4419
C1.2
01:39 01:53 02:01 4419