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X1.1 solar flare on 2024-12-29

ClassX1.1GOES-16 science data
Peak07:172024-12-29 UTC
Duration26 min
Peak flux1.1e-04W/m²
ComparisonValue
Rank among X flares (since Jun 2017)89 / 108
Rank in year44 / 3708
Other M/X flares that day20
M/X flares that month91
Solar cycleCycle 25

Compared with the strongest flares of 2024

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
02:2802:35–M1.0––
02:3902:4613M1.4––
03:2503:3014M1.3––
03:5604:0517M1.2––
04:1804:3026M2.0––
05:1205:2619M3.2––
05:4105:4716M3.5––
06:4806:59–M3.1––
10:2610:3927M2.7––
12:1512:2413M1.7––
12:5012:568M1.3––
15:0215:0919M7.2––
16:5617:0823M3.3––
17:4617:52–M1.2––
17:5818:049M1.5––
18:2718:4130M3.3––
20:3220:3913M1.1––
21:4221:53–M1.5––
21:5722:0615M1.9––
23:2023:3015M1.9––
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.

← M7.4 2024-12-26M7.2 2024-12-29 →

About this page

A X1.1 flare that began 2024-12-29 07:08 UTC; No. 44 of 3,708 C-class-or-larger flares in 2024.