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X1.1 solar flare on 2025-01-03

ClassX1.1GOES-16 science data
Peak22:412025-01-03 UTC
Duration18 min
Peak flux1.1e-04W/m²
ComparisonValue
Rank among X flares (since Jun 2017)90 / 108
Rank in year13 / 3004
Other M/X flares that day4
M/X flares that month43
Solar cycleCycle 25

Compared with the strongest flares of 2025

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
11:2911:3919X1.2––
21:5422:1232M2.3––
23:1423:2418M1.9––
23:5023:5614M5.9––
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.

← X1.2 2025-01-03M5.9 2025-01-03 →

About this page

A X1.1 flare that began 2025-01-03 22:32 UTC; No. 13 of 3,004 C-class-or-larger flares in 2025.