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Solar flares — May 15, 2025

The strongest solar flare in the day

Flare of M2.1 level (strong) — in 18:21

Solar activity index

Value for May 15, 2025 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 May 14, 2025 to May 15, 2025

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 May 15, 2025

Total number of flares of class C and higher10 flares

C type — 9 | M type — 1 | X type — 0

  start maximum end region
C9.6
23:11 23:19 23:21 4087
C1.2
22:27 22:36 22:40 4087
C1.1
20:47 20:53 20:59
M2.1
18:08 18:21 18:27 4087
C3.6
16:17 16:27 16:37 4087
C1.2
15:54 15:58 16:00 4087
C1.2
15:38 15:44 15:54 4087
C1.0
14:32 14:39 14:47 4087
C1.3
04:38 04:46 04:48 4088
C1.0
04:00 04:06 04:08