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Solar flares — August 15, 2025

August 15, 2025

Today

UTC+00
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Solar flares on August 15, 2025

The most powerful solar flare in 24 hours

C7.7 (normal) flare - August 15 at 9:22 PM

Solar activity index

Value as of the end of the day on August 15, 2025

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from August 14, 2025 to August 15, 2025

Time zone — UTC+00

Solar flares
PNG API: JSON | TXT

List of solar flares for August 15, 2025

The total number of solar flares of class C and higher — 12 flares

C class — 12 | M class — 0 | X class — 0

Class begin max end region
C7.7 21:11 21:22 21:26 4172
C1.1 20:40 20:46 20:53 4178
C1.0 19:50 19:54 19:56 4179
C1.6 18:43 18:57 19:22 4172
C2.1 12:37 12:45 12:48 4172
C2.2 11:35 11:45 11:49 4172
C6.8 10:21 10:37 10:50 4172
C1.8 09:31 09:41 09:47 4172
C1.6 08:52 09:01 09:14 4172
C1.2 06:12 06:16 06:18 4172
C1.3 06:01 06:06 06:12 4172
C1.3 02:56 03:06 03:24 4180