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M8.5 solar flare on 2026-07-01

ClassM8.5GOES-18 science data
Peak23:092026-07-01 UTC
Duration16 min
Peak flux8.5e-05W/m²
ComparisonValue
Rank in year15 / 1764
Other M/X flares that day10
M/X flares that month55
Solar cycleCycle 25

Compared with the strongest flares of 2026

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
06:1906:2711M1.1––
06:3706:4310M1.0––
07:2807:3510M1.5––
08:0708:1713M2.5––
10:0410:087M1.3––
14:2214:3114M1.1––
14:3914:5433M2.6––
18:4419:4371M3.5––
20:1520:2213M1.8––
23:4900:0227M1.1––
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.

← X1.1 2026-06-30M6.7 2026-07-03 →

About this page

A M8.5 flare that began 2026-07-01 22:57 UTC; No. 15 of 1,764 C-class-or-larger flares in 2026.