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X1.2 solar flare on 2026-07-04
ClassX1.2GOES-18 science data
Peak20:412026-07-04 UTC
Duration18 min
Peak flux1.2e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (since Jun 2017) | 79 / 108 |
| Rank in year | 10 / 1764 |
| Other M/X flares that day | 13 |
| M/X flares that month | 55 |
| 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 |
|---|---|---|---|---|---|---|
| 00:13 | 00:23 | 19 | M2.3 | – | – | |
| 00:59 | 01:13 | 22 | M2.1 | – | – | |
| 01:52 | 02:01 | 16 | M1.2 | – | – | |
| 03:21 | 03:32 | 27 | M3.7 | – | – | |
| 05:04 | 05:15 | 18 | M1.3 | – | – | |
| 07:48 | 08:07 | 26 | M1.8 | – | – | |
| 08:41 | 08:52 | 15 | M1.0 | – | – | |
| 11:04 | 11:12 | 15 | M3.2 | – | – | |
| 13:41 | 13:51 | 17 | M3.2 | – | – | |
| 16:02 | 16:06 | 9 | M1.1 | – | – | |
| 18:37 | 18:48 | 26 | M1.9 | – | – | |
| 19:23 | 19:36 | 17 | M1.5 | – | – | |
| 22:16 | 22:24 | 13 | M1.1 | – | – |
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.
← M6.3 2026-07-03M5.3 2026-07-05 →
About this page
A X1.2 flare that began 2026-07-04 20:29 UTC; No. 10 of 1,764 C-class-or-larger flares in 2026.