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M7.7 solar flare on 2024-07-28

ClassM7.7GOES-16 science data
Peak10:422024-07-28 UTC
Duration26 min
Peak flux7.7e-05W/m²
ComparisonValue
Rank in year76 / 3708
Other M/X flares that day6
M/X flares that month96
Solar cycleCycle 25

Compared with the strongest flares of 2024

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
01:3901:51–M7.8––
01:5301:577M9.9––
03:3703:4825M1.5––
12:4312:5011M2.6––
18:0818:2631M1.3––
20:2520:3623M1.9––
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.

← M9.9 2024-07-28X1.5 2024-07-29 →

About this page

A M7.7 flare that began 2024-07-28 10:27 UTC; No. 76 of 3,708 C-class-or-larger flares in 2024.