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X3.3 solar flare on 2024-02-09

ClassX3.3GOES-16 science data
Peak13:142024-02-09 UTC
Duration38 min
Peak flux3.3e-04W/m²
ComparisonValue
Rank among X flares (since Jun 2017)16 / 108
Rank in year9 / 3708
Other M/X flares that day2
M/X flares that month48
Solar cycleCycle 25

Compared with the strongest flares of 2024

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
00:3600:417M3.1––
17:5418:0012M1.2––
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.

← M5.1 2024-02-07M9.0 2024-02-10 →

About this page

A X3.3 flare that began 2024-02-09 12:53 UTC; No. 9 of 3,708 C-class-or-larger flares in 2024.