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M7.5 solar flare on 2026-04-04
ClassM7.5GOES-18 science data
Peak01:172026-04-04 UTC
Duration16 min
Peak flux7.5e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 18 / 1764 |
| Other M/X flares that day | 3 |
| M/X flares that month | 28 |
| 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 |
|---|---|---|---|---|---|---|
| 07:38 | 07:58 | 36 | M1.7 | – | – | |
| 11:57 | 12:11 | 25 | M1.2 | – | – | |
| 22:54 | 23:04 | 20 | M1.0 | – | – |
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.
← X1.4 2026-03-30X2.4 2026-04-24 →
About this page
A M7.5 flare that began 2026-04-04 01:07 UTC; No. 18 of 1,764 C-class-or-larger flares in 2026.