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X1.2 solar flare on 2025-01-03
ClassX1.2GOES-16 science data
Peak11:392025-01-03 UTC
Duration19 min
Peak flux1.2e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (since Jun 2017) | 76 / 108 |
| Rank in year | 10 / 3004 |
| Other M/X flares that day | 4 |
| M/X flares that month | 43 |
| Solar cycle | Cycle 25 |
Compared with the strongest flares of 2025
X5.1
X4.0
X2.4
X1.9
X1.9
X1.8
X1.8
X1.7
X1.7
X1.2
X1.2
X1.2
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 21:54 | 22:12 | 32 | M2.3 | – | – | |
| 22:32 | 22:41 | 18 | X1.1 | – | – | |
| 23:14 | 23:24 | 18 | M1.9 | – | – | |
| 23:50 | 23:56 | 14 | M5.9 | – | – |
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.
← M5.0 2024-12-30X1.1 2025-01-03 →
About this page
A X1.2 flare that began 2025-01-03 11:29 UTC; No. 10 of 3,004 C-class-or-larger flares in 2025.