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M6.4 solar flare on 2026-04-24

ClassM6.4GOES-18 science data
Peak18:152026-04-24 UTC
Duration36 min
Peak flux6.4e-05W/m²
ComparisonValue
Rank in year28 / 1764
Other M/X flares that day4
M/X flares that month28
Solar cycleCycle 25

Compared with the strongest flares of 2026

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
00:5101:0722X2.4––
08:0108:1317X2.5––
08:5709:0722M1.9––
12:3413:0140M1.7––
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.

← X2.5 2026-04-24M6.0 2026-04-26 →

About this page

A M6.4 flare that began 2026-04-24 17:54 UTC; No. 28 of 1,764 C-class-or-larger flares in 2026.