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X1.5 solar flare on 2026-02-03
ClassX1.5GOES-18 science data
Peak14:082026-02-03 UTC
Duration20 min
Peak flux1.5e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (since Jun 2017) | 59 / 108 |
| Rank in year | 8 / 1764 |
| Other M/X flares that day | 11 |
| M/X flares that month | 84 |
| Solar cycle | Cycle 25 |
Compared with the strongest flares of 2026
X8.1
X4.2
X2.8
X2.5
X2.4
X1.9
X1.6
X1.5
X1.4
X1.2
X1.1
X1.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 01:31 | 01:49 | 50 | M1.5 | – | – | |
| 04:13 | 04:22 | 22 | M1.7 | – | – | |
| 05:45 | 05:55 | 18 | M2.6 | – | – | |
| 06:43 | 07:01 | 36 | M7.2 | – | – | |
| 07:43 | 07:47 | 9 | M3.6 | – | – | |
| 09:41 | 10:12 | 47 | M3.6 | – | – | |
| 14:45 | 14:56 | 18 | M7.2 | – | – | |
| 16:29 | 16:36 | 11 | M2.1 | – | – | |
| 17:53 | 18:08 | 29 | M2.5 | – | – | |
| 22:31 | 22:50 | – | M2.0 | – | – | |
| 22:56 | 23:09 | 24 | M3.4 | – | – |
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.
← M7.2 2026-02-03M7.2 2026-02-03 →
About this page
A X1.5 flare that began 2026-02-03 13:58 UTC; No. 8 of 1,764 C-class-or-larger flares in 2026.