RUS

Solar flares — July 31, 2025

July 31, 2025

Today

Cheyenne
Home Solar flares July 31, 2025

Solar flares on July 31, 2025

The most powerful solar flare in 24 hours

C2.4 (normal) flare - July 31 at 9:39 PM

Solar activity index

Value as of the end of the day on July 31, 2025

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from July 30, 2025 to July 31, 2025

Time zone — UTC-06 (Cheyenne) — summer time

Solar flares
PNG API: JSON | TXT

List of solar flares for July 31, 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
C1.7 22:51 23:01 23:11 4155
C1.5 22:32 22:47 22:51
C2.4 21:23 21:39 21:54 4149
C1.7 20:42 20:45 20:50 4167
C2.0 19:52 19:54 20:02 4167
C1.6 19:45 19:49 19:52 4167
C1.9 15:55 15:59 16:04 4167
C1.3 13:47 13:51 14:00
C1.6 12:29 12:52 13:03 4153
C1.7 09:30 09:43 09:53 4155
C1.5 08:34 08:53 09:11 4153
C1.4 04:11 04:20 04:25 4153