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M5.1 solar flare on 2024-08-21

ClassM5.1GOES-16 science data
Peak22:082024-08-21 UTC
Duration17 min
Peak flux5.1e-05W/m²
ComparisonValue
Rank in year125 / 3708
Other M/X flares that day1
M/X flares that month121
Solar cycleCycle 25

Compared with the strongest flares of 2024

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
05:5306:0217M1.1––
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.

← M5.3 2024-08-14M5.1 2024-08-23 →

About this page

A M5.1 flare that began 2024-08-21 21:59 UTC; No. 125 of 3,708 C-class-or-larger flares in 2024.